VI TABLE OF CONTENTS. 



Page. 



BiGELOW, Henry B. Coelenterates from Labrador anil 

 Newfoundland, collected by Mr. Owen Bryant from July 

 to October, 1908.— No. 1706. December 14, 1909 " 301-320 



Clark, Austin Hobart. Five new species of recent Un- 



stalked Crinoids.— No. 1697. August 23, 1909 « 29-34 



New species: Comanthus (Comanthus) pinguis, C. (C.) samoana, 

 Craspedometra aliena, Amphimetra parilis, Ptilometra splendida. 



Clark, Hubert Lyman. A new Ophiuran from the West 



Indies.— No. 1724. August 4, 1910 « 665-666 



New species: Ophiotholia mitrephora. 



Cockerell, T. D. a. Some Bees of the genus Augochlora 



from the West Indies.— No. 1717. February 2, 1910 °. _. 489-494 

 New species: Augochlora piscatoria, A. vincentana, A. antiUann, A. 

 buscki, A. cubana. 



CoQUiLLETT, D. W. The Type-species of the North Ameri- 

 can genera of Diptera.— No. 1719. August 4, 1910 ° 499-647 



CouTiERE, Henri. The Snapping Shrimps (Alpheidae) of 

 the Dry Tortugas, Florida. — No. 1716. January 20, 



1910 « - 485-487 



New species: Synalpheus vicclendoni. 



New subspecies: Synalpheus townsendl scaphoceris. 



Dall, William Healey. Report on a collection of Shells 

 from Peru, with a summary of the littoral marine Mol- 

 lusca of the Peruvian zoological province. — No. 1704. 



November 24, 1909 « - 147-294 



New species: Modiolus arciformis, Aligena cokeri, Diplodonta (Fela- 

 niella) artemidis, Xylotrya dryas, Bulimulus coJcerianus, Megateben- 

 nus cokeri. 

 New names: Acmsea orbignyi, 'Murex elenensis, Thais pei'u'ensis, Archi- 

 tectonica kochii, Fissuridea asperior, Tonicella (Mopaldella) stig- 

 mata, Glycymeris chemnitzii, Donax aricana. 



Gilmore, Charles W. A new Rhvnchocephalian Reptile 

 from the Jurassic of Wyoming, with notes on the Fauna 

 of "Quarry 9."— No. 1698. October 15, 1909 ° 35-42 



New genus: Opisthias. 



New species: Opisthias rams. 



Hay, Oliver P. On the nature of Edestus and related 

 genera, with descriptions of one new genus and three new 

 species.— No. 1699. Octobor 16, 1909 ° 43-61 



New genus: Toxoprion. 



New species: Edestus crenulatus, E. serratus, E. minusculus. 



" Date of publication. 



