IC PROCEEDINGS OF THE NATIONAL MUSEUM vol. so 



A Catalogue of the Trombiculinae, or Chigger Mites, op 

 THE New World, with New Genera and Species and a 

 Ket to the Genera 



By H. E. Ewing 



Facing page 



1. New species of Tr ombicula Berlese 19 



2. New species of Neoschongastia Ewing 19 



3. Endotr ombicula -penetrans, new genus and species, and new species of 



Hannemania Oudemans 19 



The Birds of St. Lawrence Island, Bering Sea 

 By Herbert Friedmann 



1. Interior of St. Lawrence Island. Cape Kialegak 1 



2. Gambell, northwest end of St. Lawrence Island. The mountain back 



of Gambell 4 



3. Two views of the cape at Gambell 5 



4. Nest and young of raven (Corvus corax principalis) . View at GambelL 8 



5. Cormorants nesting on Punuk Island 9 



6. Eskimo netting auklets near Gambell 28 



The Ancient Caves of Szechwan Province, China 

 By David Crockett Graham 



1. Fragments of a horse's head, an elephant's foot, and a horse's foot 13 



2. Fragments of a clay bottle and a bell 13 



3. Clay images of barnyard fowls 13 



4. Fragments of dog effigies 13 



5. Hand resting on lute and fish 13 



6. Figure of a man playing a flute 13 



7. 8. Heads from clay figures 13 



9. Head from the clay image of a woman 13 



10. Servant with broom and dustpan 13 



11. Fragment of a male figure with hands in sleeves 13 



12. Fragments of earthenware vessels 13 



13. Shards showing type of decoration 13 



14. Roof fragments from miniature clay houses 13 



15. Modern Chinese costumes 13 



16. Ancient Chinese cave tombs 13 



The Brachial Flexor Muscles in Primates 

 By A. Brazier Howell and William L. Straus, jr. 



1. Muscles of primates 31 



J2. Muscles of primates and opossum 31 



