CONTENTS 



Pages 



1. A New Brittle Star from the Galapagos Islands, by Fred Ziesen- 



henne. (Plate 1) 1- 6 



2. Description of A New Blennioid Fish of the Genus Acanthemble- 

 maria from the Pacific Coast of Panama, by George S. Myers and 



Earl D. Reid 7- 10 



3. A New Genus of Distoraes (Trematoda) with Lymphatic Vessels, 



by Harold W. Manter. (Plate 2) 11- 22 



4. Parasitic Copepods Taken During the Third Hancock Expedition 



to the Galapagos Islands, by Charles Branch Wilson. (Plate 3) 23- 30 



5. Some Monogenetic Trematodes from the Galapagos Islands and 



the Neighboring Pacific, by Frank G. Meserve. (Plates 4-10) 31- 90 



6. Three New Trematodes from the Galapagos Marine Iguana 

 Amblyrhynchus cristatus, by Paul T. Gilbert, (Plates 11-12) 91-108 



7. Eight New Species of Gobioid Fishes from the American Pacific 



Coast, by Isaac Ginsburg 109-122 



8. Land and Brackish Water Mollusca of Cocos Island, by G. Dallas 



Hanna and Leo George Hertlein 123-136 



9. Nematode Parasites of the Galapagos Land Iguana, by Ashton C. 

 Cuckler. (Plates 13-15) 137-166 



10. A New Species of Nycteribiidae (Diptera Pupipara) from Islands 



in the Gulf of California, by Hugh Scott. (Plate 16) 167-172 



11. A Remarkable New Genus of Sea-Urchin (Spatangidae), by Hu- 

 bert Lyman Clark. (Plate 17) 173-176 



12. Marine Mollusks from Panama Collected by the Allan Hancock 

 Expedition to the Galapagos Islands, 1931-1932, by A. M. Strong 



and Leo George Hertlein. (Plates 18-23) 177-246 



13. Revision of the Nemertean Fauna of the Pacific Coasts of North, 

 Central, and Northern South America, by W. R. Coe. (Plates 



24-31) 247-324/' 



14. Digenetic Trematodes of Fishes from the Galapagos Islands and 



the Neighboring Pacific, by Harold W. Manter. (Plates 32-50) 325-500 



15. The Acanthocephala Collected by the Allan Hancock Pacific Ex- 

 pedition, 1934, by Harley J. Van Cleave. (Plates 51-55) 501-530 



16. The Geographical Distribution of Digenetic Trematodes of Ma- 

 rine Fishes of the Tropical American Pacific, by Harold W. 



Manter 531-547 



Index _ 549-557 



^^<Z V^^-^io 



