AET. 17. AMERICAN PARASITIC COPEPODS WILSON. 15 



Type of genus, Ceylonia aculeata Thompson and Scott, monotypic, 

 Ceylonia was used by Buckton for a genus of insects in 1891. 



Genus CONOSTOMA Thomson. New name, THOOSTOMA (Oods, pointed; 

 arbtia, mouth.) 



Conostoma Thomson, Transactions of the New Zealand Institute, vol. 15, 

 1883, p. 93. 



Type of genus, Conostoma elUpticum, monotypic. 



Conostoma was used by Hodges in 1842 for a genus of birds. 



Genus CORINA Giesbrecht. New name, VETTORIA (" Vettor Pisani," name 

 of vessel). 



Corina Giesbrecht, Atti Accademia Lincei, Roma, ser. 4, vol. 7, 1891, p. 479. 



Type of genus, Corina granulosa Giesbrecht, monotypic. 



Corina was used in 1887 by Westerlund for a genus of mollusks. 



Genus CRYPSIDOMUS Levinsen. New name, APHANODOMUS {d-ipa^ris, 

 hidden). 



Crypsidomus Levinsen, Videnskabelige Meddelelser fra naturhistoriske Foren- 

 ing i Kj0benhavn, 1877, p. 375. 



Type of genus, Crypsidomus terebellae, monotypic. 



Crypsidomus was used by Giinther for a genus of reptiles in 1864. 



Genus OAST RODE S Hesse. New name, HYPOOASTRION {vTroydcTpiov, of 

 the belly). 



Oastrodes Hesse, Annales des sciences naturelles, ser. 5, vol. 6, 1866, p. 73. 



Type of genus, Oastrodes viridis Hesse, monotypic. 



Oastrodes was used by Westwood for a genus of Hemiptera in 1839, and also 

 in 1888 by Korotnev for a genus of Coelenterates. 



Genus HYPN0DE8 Hesse. New name, HYPNOTICUS {vin>uTi.K6s, sleepy.) 

 Hypnodes Hesse, Annales des sciences naturalles, ser. 5, vol. 4, 1865, p. 247. 

 Type of genus, Hypnodes flavus Hesse, monotypic. 

 Hypnodes was used by Reichenbach for a genus of birds in 1852. 



Genus IDYA Philippi. TI8BE Lilljeborg, 1853. 



Idya Philippi, Archiv. fiir Naturgeschichte, voL 9, 1848, p. 58. 



Type of genus, Tisbe furcata (Baird), first species. 



Idya was used by Fr^minville for a genus of Acalephs in 1809, and Sars pro- 

 posed to change the name to Idyaea in 1910. But he made Lilljeborg's genus 

 a synonym of Idya, and if this be true Lilljeborg's name must be used and not 

 the modification suggested by Sars. 



Genus JURINIA Glaus. New name, LOURINIA. 



Jurinia Glaus, Die Copepoden-Fauna von Nizza, Marburg, 1866, p. 24. 



Type of genus, Jurinia armata Glaus, monotypic. 



Glaus named this genus in honor of Prof. Louis Jurine, but the name Jurinia 

 had been used by Desvalles for a genus of Diptera in 1830, and hence Jurine's 

 first name is here substituted. 



Genus LEPTOTRACHELVS Brian. New name, ARE0TRACHELU8 

 (apai6s, slender). 



Silvestria Brian, Atti della societa Ligustica, vol. 13, 1902, p. 245. 

 Leptotrachelus Brian, Zoologischer Anzeiger, vol. 26, 1903, p. 547. 

 Type of genus, Leptotrachelus truchae Brian, monotypic. 



