CONTENTS 



Page 



Bartsch, Paul. The West American Haliotis. No. 3094. 



August 15, 1940 1 49-58 



New species: Haliotis sorenseni, H. aulaea, H. smithsoni. 

 New subspecies : Haliotis rufescens hattorii. 



Bartsch, Paul. See under Torre, Carlos de la 131-385 



Bassler, E. S. a supposed jellyfish from the pre-Cambrian 



of the Grand Canyon. No. 3104. February 27, 1941 ^___ 519-522 

 New species: BrookseUa canyoncnsis. 

 Chapin, Edward A. A revision of the West Indian beetles 

 of the scarabaeid subfamily Aphodiinae. No. 3092. May 



23, 1940^ 1^1 



New species: Saprosites tlackwelderi, Ataenius beattyi, A. abdi- 

 toides, A. corrosus, A. subopacus, A. edwardsi, A. insulicola, 

 A. jamaicensis, A. luteomargo, A. brevinotus, Euparixia bruneri. 



Clu\rk, Austin H. Echinoderms from Greenland collected 

 by Capt. Kobert A. Bartlett. No. 3098. February 27, 



1941 ^ 425-433 



New species: Leptasterias (Hexasterias) bartletti. 



Clark, Hubert Lyman. A revision of the keyhole urchins 



(MelUta). No. 3099. December 12, 1940^ 435^44 



New species: Mellita lata, M. latiambulacra. 

 New variety: Mellita quinquiesperforata tcntiis. 



HoBBS, HoRTON H., Jr. Seven new crayfishes of the genus 

 Gamharus from Florida, with notes on other species. 

 No. 3097. November 23, 1940 i___- 387^23 



New species: Cambarus paUidus, C. hubbelli, C. kilbyi, C. ruth- 



bunae, G. pictiis. 

 New species uud subspecies: Camharus lucifugus luclfuyus, C. I. 

 alachua. 

 Htman, Libbie H. The polyclad flatworms of the Atlantic 

 coast of the United States and Canada. No. 3101. Febru- 

 ary 27, 194P 449-495 



New genera: Digynopora, Planctoplanella, Coronadena. 



New species : Stylochus pulcher, Euplana carolinensis, Digynopora 



americava, Planctoplanella atlantica, Acerotisa baiae. 

 New combinations: Coronadena niutabilis (Verrill, 1873), Disco- 

 celides elUpsoides (Glrarrt, 1854), Latocestus wUartoni (Pearse, 

 193S), Hoploplaiia inquiUna thaisana (Pearse, 1038), Gncsioceros 

 floridana (Pearse, 1938), Enantia pellucida (Pearse, 1938). 



1 Date of publication. 



Ill 



