314 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Bipinnaria and Auricularia larvae, Feb., Mar., & June. 



Echinoid plutei, January, March, June to December. 



Pluteus of Echinocyamus pusillus, August. 



Ophiuroid plutei, February, March, June to Sept. 



Holothurian larvae, January, August, Nov., and Dec. 



Pilidium larva, June. 



Mitraria larva, June and November. 



Tornaria larva, June and July. 



Planarian worm, March and April. 



Sagitta bipunctata, throughout the year. 



Trochophore larvae, February, June, Nov. to Dec. 



Post-larval stages of Polychaeta, throughout the year. 



Post-larval stage of Polynoe, June to September. 



Post-larval stage of Chcetopterus variopedatus, July. 



Post-larval stage of Pectiiiaria, May to July. 



Post-larval stage of (?) Amphitrite, June and July. 



Autolytus comatus, January, May, July, and Sept. 



Autolijtus incertus, March. 



Gattiola finmarchica, September. 



Tomopteris onisciformis , June to January. 



Larva of Loxosoma, April. 



Cyphonautes larva, Jan., Feb., June to Dec. 



Actinotrocha larva of Phoronis, June to August. 



Nauplii of Copepoda, throughout the year. 



Nauplii of Cirripedia, March and April. 



Pupa stage of Cirripedia, March to May. 



Evadne nordmanni, June to September. 



Podon intermedium, June to September. 



Galanus finmarchicus, throughout the year. 



Pseudocalamts elongatus, throughout the year. 



Acartia clausii, throughout the year. 



Oitliona spinifrons, throughout the year. 



Euterpe gracilis, Jan., Feb, April, and Oct. 



Temora longicomis, March to October. 



