VIII TABLE OF CONTENTS 



Article 



btdlbrooki, Aleclrion brassoensis, Melulella caronensis, Strom- 

 bina walll, Typhis sawkinsi, Cypraea trinitatensis, Caecum pro- 

 peregularc, Petaloconchus alcimus, Turritella montserratensis, 

 Amauropsis trinitatensis, Calliostoma attrina, C. rhombotum, 

 Liotia machapoorieensis, Teinostoma (Pseudorotellaf) caronensis, 

 Adeorbis guppyi, Cadulus caronensis. 

 New subspecies: Conus multiliratus walli, Drillia consors bull- 

 brooki, D. c. trinitatensis, D. pennyi acaria, Glyphostoma amicta 

 rintriada, Ancilla caroniana springvalensis, Marginella solitaria 

 montserratensis, Turritella gatunensis caronensis. 



Marshall, William B. New species of moUusks of the genus 



ChiUna. No. 2550, pp. 1-5. Octobers, 1924 » 13 



New species: Chilina aurantia, C. castanea, C. flammulina, C. felip- 



ponei, C. oldroydae, C. olivacea. 

 New subspecies: Chilina parchappii minor. 



. New Uruguayan mollusks of the genus Corbicula. 



No.2552, pp. 1-12. Novembers, 1924 ^- 15 



New species: Corbicula {Cyanocyclas) circularis, C. (C.) compacta, 

 C. (C.) delicata, C. (C.) exquisita, C. (C.) felipponei, C. (C) fortis, 

 C. (C) oleana, C. (C.) paysanduensis. 



Miller, Gerrit S. Jr. A Pollack whale from Florida present- 

 ed to the National Museum by the Miami Aquarium As- 

 sociation. No. 2546, pp. 1-15. December 11, 1924 ^ 9 



. A second instance of the development of rodent- 

 like incisors in an Artiodactyl. No. 2545, pp. 1-4. October 

 13, 1924 1 .' 8 



. Some hitherto unpublished photographs and meas- 

 urements of the blue whale. No. 2544, pp. 1-4. Novem- 

 ber 3, 1924^ 7 



Reeside, John B. Jr. A rare Cretaceous sea urchin, Scutel- 

 laster cretaceus Cragin. No. 2557, pp. 1-4, December 9, 

 1924 '.. 20 



New genus: Scutellaster. 



New species: Scutellaster cretaceus. 



Schwartz, Benjamin. A new proliferating larval tapeworm 

 from a porcupine, No. 2561, pp. 1-4. December 26, 1924 L 24 



New species: Taenia twitchelli. 



. Parasitic nematodes from Tonkin, Indo-China, in- 

 cluding a new species of Ascaridia. No. 2538, pp. 1-9. 

 May 14, 1925 * 1 



New species: Ascaridia anseris. 

 ' Date of publication. 



