454 EEPORT O^COMMISSIONER OF FISPI AND FISHERIES. 



Ascidians. 



Salpa Cabotti, adults and yonug ; August aud September, (J^^S.) 

 Dolioluiii, sp. ; summer, (A. Ag4S,siz,) (440.) 



Appeiidicularia, sp., (like A. furcata ;) summer, (A. Agassiz,) (446.) 

 Appendlcularia, sp., (like A. lougicauda ;) summer, (A. Agassiz.) 

 LarvsB of fixed Ascidians, (445.) 



EADIATA. 



EcMnoderms. 



Strongylocentrotus Drobacliiensis, larva?, (447.) 

 Asterias arenicola, larvtT ; evening, (447.) 

 A. vulgaris, larvne ; evening, (447.) 



Acalephs. 



Mnemiopsis Leldyi ; February, July to September ; day-time, (449.) 



Lesueuria hyboptera, adult ; September; day-time. 



Pleurobracliia rbododactyla, adult and young; January to May, 

 July to September; day-time and evening, (448.) 



Idyia roseola, adult ; September ; day-time, (451.) 



Cyanea arctica, adult; August, September; day-time. Young in the 

 " epbyra " stages ; April; young of all sizes up to four inclies across ; 

 May,\449.) 



Aurelia flavidula ; August, September ; day-time, young ; May, (449.) 



Dactylometra quinquecirra, adult and young ; July to September ; 

 day and evening, (449.) 



Tracliyneina digitale, young; Wood's Hole, July 1; day-time. 

 . Tiaropsis diademata; Wood's Hole; April 17, (V. IS". Edwards.) 



Oceania languida, medusae; June to September; day-time. 



Eucheilota veutricularis, young meduste; evening. 



E. duodecimalis, medusa; July. 



Obelia, several species, medusae; evening chiefly, (447.) 



Ehegmatodes tenuis, medusfe ; September ; evening. 



Zygodactyla Groenlandica, medusa^; June to September; day and 

 evening, (449.) 



iEquorea albida, medusa? ; September ; evening. 



Tima formosa, adult; February, 1872; April 30, 1873, (449.) 



Eutima limpida, medusne ; September; evening. 



Lafoea calcarata, medusie ; September ; evening. 



Xemopsis Bachei, meduste ; June to September ; evening. 



Bougainvillia superciliaris, medusa?, April, May, June : evening. 



Margelis Caroliuensis, medusa?; August aud September, chielly in the 

 evening, (450.) 



Dysmorphosa fulgurans, medusse ; evening, (448.) 



Modeeria, sp., medusse. 



Turritopsis nutricula, medusa? ; July to September ; evening. 



