BIBLIOGRAPHY OF PALEOZOIC CRUSTACEA. 179 



Remopleurides u. g. Phillipsia u. g. Griffithides u. g. Dithyrocaris 

 (Scouler) Portlock. 



The author gives a brief abstract of the various opinions which have 

 been published on fossil Crustacea in regard to their nature, analogies and 

 affinities. The following species are described and illustrated: 



Remopleurides colbii n. sp., B. later i-spinifer n. sp., R. dorso-sinnifer 

 n. sp., R. longi-capitatus n. sp., R. longi-costatus n. sp. Ceraurus globi- 

 cejjs n. sp. Paradoxides .? hiicephali (var.) 



Ampyx rostratus Sars., name changed to A. sar-vi Portl.; A. nasututi 

 Dalm., name changed to A. dalmani Portl. Ampyx sarsii (var.), A. ros- 

 tratus Sars. (var.), A. aiistinii n. sp., A. mammillafiis ? Sars., A.? baccatus 

 n. sp. Trinucleus caractaci Murch., T. elongatus n. sp., T. fAsaphun 

 His.) seiicornis His., T. radlatus ? Murch., T. fimhrialus Murch., T. latim 

 Portl. Harpes doranni n. sp., H.flanaganni n. sp. Brontes hibernicuti 

 n. sp. Arges (Goldfuss), A. plano-spinosus (Paradoxides bimiicronatus 

 Murch.) 



Nuttaima hibernica n. sp., NJ obscura n. sp. Genus Asaphus. Caly- 

 mene. Phacops tru7icato-caudatusn.s'p., P. broiigniariiin.H'p., P. dalmani 

 n. sp., P. murchisonii n. sp., P. jamesii n. sp.. P.? tuberculatus Murch. 

 Calymene blume7ibachii Bvong., C. pukhella Dalm., C. brevi-cajntus n. si). 

 Amphion, Zethus, A. gelasionosus n. sp., A. froniilobus Pand., A. multi- 

 segmeniatus n. s^)., A . jjseudo-articulattis n. sp. Asaphus latifrons n.sp., 

 A. marginatus n. sp., A. dilatatiis Dalm. Isotelus gigas Dekay, also Isotelus 

 gigas (planus Dekay), /. ovatiis n. sp., /. poivisii Murch., /. rectifrons 

 n. sp., /. arcuatus n. sp., /. Iceviceps Dalm., /. intermedins n. sp., /. 

 sclerops? Green. Illoinus centrotusDaXm., I. crassicanda Wahl., /. quadrato- 

 caudatus n. sp. Ogygia ? riigosa n. sp. Proetus. Phillipsia Jceliii n. sp., 

 P. ornata (Asaphus truncatulus Phill.), P. jonesii n. sp., P. jonesii var. 

 seminiferus Phill., P. maccoyi n. sp. Griffithides longiceps n. sp., G. glob- 

 iceps Phill., G. longispinus n. sp. 



Dithyrocaris (Scouler). In the Records of Science, 1835, Dr. Scouler 

 first noticed this crustacean, and, de]5ending as a principal character on 

 the lateral ajipendages, he pointed out its analogy to the genera Cyclops 

 and Apus. He also noted two new species in a paper read before the 

 British Association at Glasgow. Dr. Scouler having subsequently altered 

 his views of the affinities of the genus, he replaced the original name of 

 Argas by that of Dithyrocaris. The authority for this change is generally 

 quoted from Portlock. 



Dithyrocaris colei n. sp., D. orbicularis n. sp. Limulus trilobitoides 

 Buckland ? Cypris scoto-bicrdigalensis Hibbert, C. subrecta n. sp. 



Portlock figures the teeth of Dithyrocaris on plate xii, fig. 6. 



Postlethwaite (J.) and Goodchild (.J. G.) On some 

 Trilobites from the Skiddaw slates. 



In Proc. Geologist Assoc, vol. 9, No. 7, 1886, p. 455, pis. 6-9. 



