192 CALIFORNIA ACADEMY OF SCIENCES. 



— Paleeontological appendix. 



In Mem. Geol. Survey Gt. Britaiu, vol. 2, pt. 1, 1848, pp. 331-352, 

 figiire, pis. 5-8. 



Phacop$ stokesii Milne-Edw., P. downinyia: Miarch. Dalmanki affinis Salt. 

 Proetus latifrons McCoy. 



Sec. Ascqjhus divided into genera Asaphi and Ogi/gla. 



1 Sec. Ilkenus and Asaphus. Illanus rosenbergii Eichw., / bowmanni Salt. 

 Ogygia. Lichas laxatus McCoy, L. verrucosus Eichw., i. sp. ? Calymeue 

 brevicapitata Portl., C. tuherculata Salt. Cybele sexcostaia Salt., C. verru- 

 cosa Dalm., C. variolaris Brong. Sphcerexochus juvenis Salt. Cheiruriis 

 sjyeciosus Dalm. Olenus bmdcatus Phill., 0. humUis Phill., 0. sj^imilosus? 

 Acidaspis brightii Mnrch., ^-1. blspinosus McCoy. Trinucleus oriiatus 

 Sternb., T. ornatus ya.v. favus '^ali. Ampyx parvuliis Forbes.- Agnostus 

 trinodiis Salt., A. convexus Salt. Beyrichia tuberculata Kloden, B. com- 

 pUcata Salt., B. gibba Salt. 



Appendix A to British Palaeozoic fossils in the 



Geological Museum, University of Cambridge. London, 

 1852 (Sedgwick and McCoy). 



Description of a few species from Wales and Westmoreland, referred to 

 in the foregoing work by John William Salter, p. 645. 



Oythere? umbonata u. sp. Beyrichia complicata Salt., B. strangulata n. 

 sp. Phacops (Odontochile) obtusicaudaius u. sp., P. ( Phacops) alifronx 

 n. sp., P. (Phacops) apiculatus n. sp. Calymene parvifrons n. sp. Cheiru- 

 rus clavi/rons Dalm. Cybele riigosa Portl. Encrinurus sexcostatiis Salt. 

 Lichasnodtdosusu. SI). Illmmis davisii Salt., /. murchisoni Salt., I. bow- 

 manni Salt. Homalonotus bisulcatus n. sp., H. bisidcatns var. minor, H . 

 riidis n. sp., H. sp.? Eurypterus cephalaspis n. sp. 



On the lowest fossiliferous beds of North Wales. 



In Eep. 22d Meeting Brit. Assoc. Adv. Sci., 1852, Trans, of Sec, p. 56. 

 Ilymenocaris u. g., H. vermicauda n. sjd. Asaphus sehoynii n. sp. 



On a few genera of Irish Silurian fossils. 



In Eep. 22d Meeting Brit. Assoc. Adv. Sci., 1852, Trans, of Sec, p. 59. 

 Stygina n. g. Cyphoniscus n. g. 



1. With head spines short: Stygina latifrons Portl., A. marginatum Portl. 



2. With head spines long: Stygina murchisoni Murch. 



Cyphoniscus socialis n. sp. Acidaspis jamesii n. sp. yEglina mirabilis 

 n. sp. Remop>leurides dorsospi7ii/er Portl. Cyphaspis megalops McCoj'. 



and Forbes (Edward). Figures and descrip- 



tions illustrative of British organic remains. Decade 2. 



In Mem. Geol. Survey United Kingdom London, 1849, 10 pis. 

 Parabolina n. g. Brachampyx (Forbes) n. g. 



