AGASSiz, 1850 245 



1850 



420. AGASSIZ (18S0). Lake Superior: Iti Physical Character, I'egetalion^ and 



Animals, Compared with Those of Other and Similar Regions, etc. 

 Louis AcASsiz. 

 Pcecilosoma Agassiz, 299; haplotypc Etheostoma variateum Kirtland. Preoccu- 

 pied ; replaced by P<ecilichthvs Ag., 1854. 

 Argyrosomus Agassiz, 339; haplotype Salmo clupiformis Ag., not of Mitchill = 

 Salmo harencus Rich. Name preoccupied (Pylaie. 1834); replaced by 

 Thrissomimus Gill (1909). A subgenus under Leucicuthvs Dybowski. 

 Hypsolepis (Baird) Agassiz, 368; orthotype Cyprinus cornutus Mitchill. Written 

 Hypsilepis by Cope. 



421. BLEEKER (1850). Bijdrage tot dc kcnnis der Ma-noidcn van den Swnda- 



Molukschen Archipel. Verh. Batav. Genootsch., XXIII. 



PlETER BlEEKER. 



Pentaprion Bleeker, I, 104; orthotype P. cerreoides Blkr. 



422. BLEEKER (1850). Bijdrage tot dc kennis dcr visschcn met doolhofvormige 

 kieuiccn van di-n Saeiida-i^foluksclwn Archipel. Vcrh. Batav. Genootsch, 

 XXIII, 1850. 



PiETER Bleeker. 

 Betta Bleeker, XXIII, 12; orthotype B. trifasciata Blkr. 



423. COSTA (1850). (Fossil Fishes: Ittioliti.) Atti Accad. Pontan, V. 

 Oronzio Gabriele Costa. 



Sarginites Costa, V, 285; orthotype, S. pvcm.eus CosU (fossil). A synonym of 

 Leptdlepis. 



Histiurus Costa, V, 288; orthotype H. elati;s Costa. Preoccupied as Istiurus Cuv., 

 1829. emended as Histiurus Ag. ; replaced by Knichtia Jordan, 1907; type 

 K. Eoc.tNA Jordan. 



Rhynchoncodes Costa, V. 317; orthotype R. scacchi Costa (fossil). A synonym 

 ui Prdpterls Ag. 



Blenniomoeus Costa, V, 319; orthotype B. loncicauda Costa (fossil). A syno- 

 nym of XoTACOCUS Ag. 



Sauropsidium Costa, V, 322; orthotype S. l-evissimum Costa. 



Megalurites Costa, V, 370; orthotype Diodon scill^e Ag. (fossil). A synonym or 

 fossil ally of Diodon. 



424. UIXON (1850). The Geology and Fossils of the Tertiary and Cretactous 



Formations of Sussex. 

 A. Francis Dixon. 

 Platylaemus Dixon, 205; orthotype P. colei Dixon (fossil). 

 Aulodus Dixon, 366; orthotype A. acassizi Dixon (fossil). A synonym of Ptycho 



uus Ag. 

 Plethodus Dixon, 366; logotype P. expansus Dixon (fossil). (Not Pletuodon 



Tschiidi, a genus of lizards.) 

 Pomognathus Dixon, 367; orthotype P. euryptervcius Dixon (fossil). A syno 



nyin of 1 1 alec Ag. 

 Prionolepis (Egerton) Dixon, 368; orthotype P. ancustus Egert. (fossil). 

 Homonotus Dixon. 372; orthotype B. elecans Dixon (fossil). 

 Berycopsis Dixon, 372; orthotype B. elegans Dixon (fossil). 



