34 CALIFORNIA ACADEMY OF SCIENCES. 



Dalm. Asaphus stokesii Murch.; also Aeonia verticalis n. sp. Calymene 

 diops Green. 17. Archegonus n. g. ( Phillipsla and Griffithides Portl.) A. 

 aqualis v. Meyer. 18. Jllcenus crassicauda Wahl., /. giganteus Guettard. 

 This species was named Ogygia desmaresti by Brongniart in 1822. Illcenus 

 (Bumastes) barriensis Murch. 19. Dyaplanus n. g., Z>. centrotus Dalm. 

 20. Asaphus (Nileus) armadillo Dalm., A. palpebrosus Dalm., A. Ictviceps 

 Dalm., A. expansas Liiiue, A. tyrannus Murch., A. raniceps Dalm., A . ex- 

 tenatus Wahl., A. (Isoldes) platyceplicdus Stokes. 21. Ampyx nasutus 

 Dalm., A. mammillatus Sars., A. rostratus Sars. The appendix contains 

 notes on Calymene variolaris Broug. Tril. punctatus Briinu. Triarthrus 

 beckii Green, etc. 22. Agnostus pisiformis, A. Icevigatus Dalm., A. integer 

 Beyr., A. nudus Beyr., with other enumerated genera and species wholly 

 unavailable for systematic arrangement. 



The supplementary appendix by Thomas Bell and E. F. Forbes contains 

 an alphabetical list of British Trilobites, also a copy of McCoy's generic 

 description of the following genera: Tiresia, Forbesia, Portlockia, Tri- 

 nodus (Synopsis Silurian Fossils Ireland, 1846); the generic descriptions 

 of Cheirurus, Sphcerexochus, Lichas, Trochurus (Beyrich, Ueber einige 

 bohmische Trilobiten, 1845), and a list of the genera and species described 

 by Barrande) (Notice preliminaire sur le systeme silurien et les Trilobites 

 de Boheme, 1846). 



Burmeister and Alton (Ed. de). Neue Beobachtun- 

 geii liber die Organisation der Trilobiten. (*) 



In Zeitung fiir Zoologie, Zootomie und Palaeozoologie, Alton und Bur- 

 meister, Leipsig, vol. 1, 1846, p. 67, pi. 1, figs. 13-19. 



Callaway (Charles). On a new area of Upper Cam- 

 brian rocks in South Shropshire, with a description of 

 of a new fauna. 



In Quart. Journ. Geol. Soc. London, vol. 33, 1877, p. 652, plate. 



Asa2?hus (Asaphellus n.subgen.J homfrayi Salt., A. (Plcitypeliu n. sub- 

 gen.) croftii Callaway. Agnostus dux n. sp. Conocoryphe monile Salter. 

 Olenus salleri Callaway, 0. triarthrus n. sp. Conophri/s n. g., C. salopiensis 

 Callaway. Lichapyge n. g., L. cuspidata Callaway. Primitia sp.? 



Castelnau (Laporte de). Communique ^ TAcademie 

 des Sciences de Paris la decouverte des pieds des Trilo- 

 bites qu'il aurait vus dans linterier d'un exemplaire en- 

 roule de TAmerique du Nord. 



In Inst. France, 1842, p. 74; Neues Jahrbuch flir Mineral., 1843, p. 504; 

 Comptes Rendus, vol. 14, 1842, p. 344. 

 (Phacops rana Green.) 



