APPENDIX. 



1. 



The following species are enumerated in works which I could not obtain, for which 

 reason they have not been referred to. 



Ampyx incertiis, Delongchamps, Mem. de'Ja Soc. Zimieefine de Calvados, ii. 316, PI. XX, 

 Fig. 5. Milne Edw. Crust, iii, 297. 



Asaphis Brongniartii, ibid. PI. XIX, Figs. 1-5. Milne Edw. ibid. 313. 



AsapJnts quadrilimhatus, Philips, Geol. of Yorkshire, vol. ii, p. 239, PI. XXII, Figs. 1, 2. 



AsajjJnis obsoletus, Phil. ibid. Figs. 3-6. 



Asaphus gramdiferus, Phil. ibid. Fig. 7. 



Asaphus semimferus, Phil. ibid. Figs. 8-10. 



Asaplmsgemmuliferus,VniL.\hiA. Fig. II. Buckl. Br. Tr. PI. XLVI, Fig. 10. Ac- 

 cording to Buckland's figure, this is probably the same species as that represented by 

 Brongniart in the Cr. foss. PI. IV, Fig. 12, and which I have mentioned when treating of 

 Archegonus cequalis. 



Asaphus truncntidus, Phil. ibid. Figs. 12, 13. 



Asaphus megalophthalmm, Troast, Mem. de la Soc. Geol. de France, iii, 94, PI. XI, Fig. 1. 



Asaphus heros, Dalm. Arsberätt om. nya. zool. Arbcten 135, Stockholm, 1828. Hising. 

 Leih. Suec. 13. Milne Edw. Cr. iii, 309. The author places this species beside Bhac. 

 caudatus. 



Asaphus plat ynotus, Dalm. ibid. 135. W\?.\^g. Leth. Suec. 15. Milne Edw. Crust. 

 iii, 304. 



Calymene ornata, Dalm. ibid. p. 134. Hising. Leth. Suec. 11. Milne Edw. Crust, iii, 

 304. According to Milne Edwards, it is nearly related to Calym,. Blumenbachn, but distin- 

 guished from it by the structure of the glabella. According to Dr. Beyrich {Bohem. Tril. 

 18), the species belongs to Cheinmis. See also Löven, Of vers K. V. A. 1844, 68. 



Calymene verrucosa,YSK\M..S!ü\A. 134, and Balaad. 76. Brongn. Crust, foss. PI. IV, Fig. 

 11. Hising. Leth. Suec. 11. Dr. Loven enumerates this species in his new genus Cybele. 

 [Ofvers. K. V. A. Forh. 1845. 109.) 



Entomolithus dcrbicnsis, Martin. Betrifcata derbiensia, PI. XLV, Fig. 1. Identical with 

 Asaphus globiceps, Phil, (my Archegonus globiceps), according to a conjecture of Milne Edwards' 

 CrtiM. iii, 313. Poktlock {Rep. p. 312) seems to doubt the correctness of this reference. 



Calymene phlytctanoides. Green, Sill. Americ. Journ. of Science and Arts, 1837, vol, .\x.\ii, 

 I. p. 167. Leonh. and Bronn, /a/^ri. 1838, 363. 



Trimerus plal ypleii rus, Green, as above, p. 168. 



Trimerus Javksonii, Green, /. c. pp. 347, 364. 



