ILLUSTRATIONS XI 



The Copepod Crustaceans op Chesapeake Bay 



By Charles Branch Wilson 



Facing page 



1 . Pontella pennaia 54 



2. Pseudodiaptomns coronatus 54 



3. Canuella elongata and Oithona brevicornis 54 



4. Robertsonia chesapeakensis and Cryptopontius gracilis 54 



5. Hemicyclops americanus and Oithona brevicornis 54 



TEXT FIGURES 



The North American Beetles of the Genus Coccinella 



By Th. Dobzhansky 



Page 



1. Male genitalia of Coccinella novemnotat a Herbst 3 



2-9. Male genitalia of the different species of Coccinella 5 



10-12. Male genitalia of Coccinella trifasciata, C. hieroglyphica, and C. un- 



decimpunclata 9 



13-20. Sipho of the different species of Coccinella 9 



21-29. Receptaculum seminis and infundibulum of the different species of 



the genus Coccinella 12 



30. Right elytron of Coccinella undecimpunctata, representing the spots 



constituting the typical pattern of the genus Coccinella 27 



The Fishes Obtained by the Pinchot South Seas Expedition op 

 1929, WITH Description of One New Genus and Three New 



Species 



By Henry W. Fowler 



1. Benthosema pinchoti, new species o 



2. Coelonoius platyrhynchus (Dum^ril) 7 



3. Ophioblennius pinchoti, new species 14 



4. Giffordella corneliae, new species 15 



The Birds of St. Lawrence Island, Bering Sea 

 By Herbert Friedmann 



1. Map of the Bering Sea region, showing the location of St. Lawrence 



Island with reference to Asia and North America 2 



2. Map of St. Lawrence Island, Bering Sea 3 



The Ancient Caves of Szechwan Province, China 

 By David Crockett Graham 



1. Floor plant of a six-chamber cave, carved from the stone cliffs near 



Kiating 1 



2. Plan of cave near Kiating 2 



3. Plan of double cave near Kiating 2 



