246 CALIFORNIA ACADEMY OF SCIENCES. 



In Rep. Brit. Assoc., 1873, Trans, of Soc., p. 92. 



Geol. Mag., decade 2, vol. i, No. 3, 1874, pi. 5. 



Dithyrocaris ovalis W. & E., D. granulata W. & E., D. glabra W. & E., 

 DJ striata W. & E., D. tricornis Scouler. 



See, also, Mem. Geol. Survey, Expl. Sheet 23 (Scotland), 1873, pp. 99- 

 100. 



Eighth report on fossil Crustacea. 



In Hep. 45th Meeting Brit. Assoc. Adv. Sci., 1875; also, Geol. Mag., 

 new series, decade 2, vol. 2, 1875, p. 620. 



Two lectures on recent and fossil Crustacea 



delivered at the Royal Institution on April 29 and May 

 6, 1876. 



In Proc. Eoyal Inst. Gr. Brit., 1876; Times, Morning Post, Illustrated 

 News, 1876. 



A monograph of the British fossil Crustacea 



of the order Mesostomata. 



In Palffiont. Soc. London, pt. 1, 1866; pt. 2, 1869; pt. 3, 1871; pt. 4, 

 1872; pt. 5, 1877, 36 pis. 



Part I, pp. 1-44, pis. 1-9. Pterygotus anglicus Agassiz. 



Part II, 1869, pp. 45-70, pis. 10-15. Pterygotus bilobus Salt., also var. 1 

 inornatus, 2 var. crassus, 3 var. perornatus, 4 var. accidens. 



Part III, pp. 71-120, pis. 16-20. Pterygotus raniceps H. W., P. taurmus 

 Salt., P. ludensis Salt., P. banksii Salt., P.?stylops Salt., P.arcuatus Salt., 

 P. gigas Salt., P. problematicus Salt. Slimonia acuminata Salt. 



Part IV, pp. 121-180, pis. 21-30. Stylomurus powriei Page, S. megalops 

 Salt., S. symondsii Salt., S. ensiformis H. W., S. scoticus H. W., S. logani 

 H. W. Eurypterus scouleri Hibbert, E. lanceolatusSali,, E. pygmceusSalt., 

 E. linear is Salt., E. abbreviates Salt., E, hibernicus Baily, E. brewsteri H. 

 W., E. scorpioides H. W., E. punctatus Salt., E. obesus H. W., E. brodiei 

 H. W., E.? mammatus Salt. Hemiaspis llmuloides H. W., H. speratus 

 Salt., H. horridus H. W., H. sahveyi Salt. 



Part V, pp. 81-263, pis. 31-36. Belinurus konigianus H. W., B. Jciltorkensis 

 Baily, B. bellurus Kunig, B. regince Baily, B. arcuatus Baily. Prestwichia 

 birtwelli H. W.. P. anthrax Prest., P. rotundata Prest. . Neolimulus fal- 

 catus H. W. Cyclu* bilobatus H. W., C. torosus H. W., C. wrightii H. W., 

 C. radialis'PhiU., C.harknessi H. W., C.jonesianus H. W., C. rankini H. 

 W., C. (Halicyne) laxus H. v. Meyer, C. (H.) agnotus H. v. Meyer. 



Plate XXXII illustrates the Silurian and Carboniferous Crustacea. 



The author figures A gnostus bibullatus Barr., A. nudus Beyr. Sao hir~ 

 suta Barr. Trinucleus ornatus Sternb., T- fimbriatus Murch. Cyclus 

 rankini H. W., C. radialis Phill., C. harknessi H. W., C. bilobatus H. W., 

 C.jonesiana H. W., C. ivrightii H. W., (7. (Halicyne) laxus H. v. Meyer, C. 

 (Halicyne} agnotus H. v. Meyer. 



