1. Source: Data from: University of California, San Diego1

11. Source: Data from: University of California, San Diego

12. Source: Data from: University of California, San Diego

14. Source: Data from: University of California, San Diego

19. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility. 19

20. Source: Data from: University of California, San Diego20

22. Source: Data from: University of California, San Diego

23. Source: Data from: University of California, San Diego

24. Source: Data from: University of California, San Diego

25. Source: Data from: University of California, San Diego

38. Source: Data from: University of California, San Diego38

45. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility. 45

46. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility. 46

49. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility. 49

50. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility. 50

51. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility. 51

52. Rights: Please note that if this image is under copyright, you may need to contact one or more copyright owners for any use that is not permitted under the ARTstor Terms and Conditions of Use or not otherwise permitted by law. While ARTstor tries to update contact information, it cannot guarantee that such information is always accurate. Determining whether those permissions are necessary, and obtaining such permissions, is your sole responsibility. 52

53. Source: Data from: University of California, San Diego53

54. Source: Data from: University of California, San Diego54

55. Source: Data from: University of California, San Diego55

57. Source: Data from: University of California, San Diego57

58. Source: Data from: University of California, San Diego