BIBLIOGRAPHY OF PALilOOZOIC CRUSTACEA. 149 



On the supposed fish remains figured on plate 



4 of "The Silurian System." 



In Quart. Jour. Geol. Soc. London, vol. 9, 1853, p. 13. 



The author divides the genus Pterygotns into two subgenera: 1, Ptery- 

 gotus proper, in which the didactyle claws are very thick and armed with 

 powerful teeth. 2, Leptocheles McCoy, iu which the pincers are very 

 slender and unarmed. He refers Onchus mnrchisoni to Leptocheles murch- 

 isoni. 



A synopsis of the classification- of the British 



Palaeozoic rocks, by Adam Sedgwick; with a systematic 

 description of the British Palaeozoic fossils in the Geo- 

 logical Museum of Cambridge, by Frederick McCoy, 

 with figures of the new and imperfectly known species. 

 London and Cambridge, 1855, 25 pis. Pt. 2, Palaeon- 

 tology. 



This work was published in three parts. 



Fasciculus 1. Eadiata and Articulata. London, 1851. 



Beyrichia klodeni McCoy, B. complicata Salt., B. strangulala Salt. 

 Ceratiocaris ellipticus McCoy, C. inornatus n. sp., C. solenoides McCoy, C. ? 

 umbonatus ^a\t . I'rinodusagnostiformisM.cCoy, T. tardus ? Barr. Diplor- 

 hina triplicata H. & C. Harpidella megalops M.cCoy . Trhmcleus caractaci 

 Murch., T. gibbifrons McCoy, T. latiis Portl., T. 1 radiatus Murch., Tre- 

 taspisjimbriatus 'M.nrch.., T. seticornis'ELis. T.latus 'M.cCoy. Ampyx nudus 

 Murch. Ogygia buchi Brong, 0. radians McCoy. Barrandla cordia McCoy. 

 Lichas propinqua? Barr. Acanthopyge angilica Beyr. Trochurics nodulosus 

 Salt. Acidaspis brightii MxiTch. Staurocephahis murchisoniBaTi. Ceraurus 

 clavifrons Dalm., C. octolobatus McCoy, C. vnlliamsii McCoy . Eccoptochile 

 sedgioicki McCoy. Zethus atractopyge McCoy, Z. sexcosiatus Salt., Z. 

 variolaris Brong. Harpes parvulus, pis. 1, 2. Encrhiurvs punctata s Bviinn. 

 Phacops alifrons Salt., P. downingice Murch. Odontochile caudata Brilnn, 

 0. longicaudata Murch., 0. obtusi-caudata Salt., 0. truncata-caudataFortl. 

 Porilockia ? apiculata Salt., P. stokesii M. Edw. Chasmops odini ? Eichw. 

 Calymene baylei Barr., C. blumenbachii Brong., C. brevicapiiata Portl., C. 

 sub-diademiata McCoy, C. parvifrons Salt., C. tuberculosa Salt. Homalon- 

 otus bisulcatus Salt., H. knightii Konig., //. rudis Salt. Isotelus affinh 

 McCoy, /. ( Basilicus I ) laticostatus Green, I. ( Basilicus) powisii Murch., 

 /. (Basilicus) tyrannus Murch. Illanus davisii Salt., /. latus McCoy, 

 /. roseniergri Eichw. Dysplanus centrotusT>&\va.. For besia lati/rons McCoy, 

 F. stokesii Murch. Euryptertis cephalaspis Salt. Pterygotvs lepto-dactylus 

 McCoy. Portlockia granulata Munst., P. latifrons Bronn. T rimer oceph- 

 alus Icevis Miinst. Bronteus alutaceus Goldf. Dithyrocaris scouleri and 

 D. lateralis u. sp. Oriffithides meso-tuberculatus McCoy. PhilUpsia gem- 

 TnuU/era Phill., P. jonesli Portl., P. semini/era Phill. 



