NO. 3 OPINIONS 82 TO 90 13 



OPINION 85 



Ninety-eight Generic Names in Crustacea Placed in the 

 Official T.ist of Generic Names 



Summary. — The following names are hereby placed in the Official List of 

 Generic Names: Crustacea: Acmaeopleura, Asthenognathus, Bathyplax, 

 Camptandrium, Camptoplax, Catoptrus, Ceratoplax, Chasmagnathus, Chasmo- 

 carcinus, Clistocoeloma, Cyrtograpsus, Dissodactylus, Durckhcimia, Epixanthtis, 

 Euchirograpsus, Eucrate, Eucratodes, Eucratopsis, Euryefisus, Euryplax, 

 Eurytium, Fabia, Galene, Geryon, Glyptograpsus, Glyptoplax, Gonicza, Gone- 

 plax, Halinicde, Helice, Hephthopelta, Hexapus, Holometopus, Holothurio- 

 philus, Homalaspis, Lachnopodus, Leptodius, Liagore, Libystcs, Liomcra, Li- 

 paesthcsius, Litocheira, Lophopanopeus, Lophopilumnus, Lybia, Mclyhia, 

 Metasesarma, Metopocarcinus, Micropanope, Notonyx, Ocdiplax. Omviato- 

 carcinus, Opisthopus, Orphnoxanthus, Panoplax, Paragalene, Parapanope, 

 Paraplenrophrycoides, Paraxanthus, Percnon, Perigrapsus, Pilumnoidcs, Piluvi- 

 nus, Pinnaxodes, Pinnixa, Pinnotherelia, Pinnotheres, Planes, Platychirograp- 

 siis, Platypilumnus, Platyxanthus, Polydectus. Prionoplax, Psendocarcinus, 

 Pscudopinnixa, Pscudorhombila, Psophcticus, Ptychognathus. F'yxidognathus, 

 Rhithropanopcns, Rhicopa, RiippcUioidcs, Saniiatium, Scalopidia, Scleroplax, 

 Spcocarcinus, Sphaerozius, Tctraxanthus, Tetrias, Thaumasto plax , Utica, 

 Variuia, Xanthasia, Xanthodius, Xenophtliahnodes, Xcnophthalmus, Zosinins, 

 Zozymodes. 



Statement of case. — In Circular Letter No. 40 dated November 

 1 91 7 and mailed to approximately 350 zoologists and zoological 

 laboratories and institutions, the Secretary gave notice that loi ge- 

 neric names in Crustacea had been studied by Miss Mary J. Rathbun, 

 Secretary of the Advisory Commission of Nomenclature of Crustacea, 

 with a view^ to their possible inclusion in the Official List of Generic 

 Names. She has since withdrawn the name Pclacns on groiuid of 

 subjective synonymy. Miss Rathbun considers that the remaining 

 names are nomenclatorially correct and valid under the Code. In 

 addition to votes from the Commission, only 12 responses have been 

 received, as follows : 



(a) Leon J. Cole, Philip P. Calvert, E. A. Goldman, R. C. McGregor, John 

 Neuman, and Thomas R. R. Stabbing raised no objection to any name but did 

 not specifically vote in favor of the names. 



(&) F. Doflein, M. W. Lyon, Jr., Carlos Moreira (votes on Brazilian names 

 only), W. D. Pierce (votes on only part of names), and Dr. Franz Poche 

 (with reservation as respects application of Art. 30g of the Code to the names), 

 vote in favor of the names. 



(f) Wm. H. Dall raises a question as to .Iratus 1853 in view of .Iralu 1784. 



The Secretary has stricken from the list, without prejudice, the names 

 Aratus (because of the question raised by Dr. Dall) and Scsarma (because of 



