Bonner zoologische Monographien. Zoology. 297 12, 13, 14, 15, 16, 17 1,2,3,4, 5,6, 7, 8, 9, 10, 11 18, 19, 20, 21, 22. 23. 24, 25, 26 35, 36 27, 28, 30, 31, 32, 29?, 33?, 34 ;37, 38, 39, 33? 40,41, 24 42, 43, 44, 45, 46, 47? 48, 49, 50, 51, 52, 53, 54 ...