452 REPORT ol^OMMISSIOXER OF FISH AND FISflERIES. 



Virbius zostericola, larvae and young ; July to September. 



Pala?monetes vulgaris, larvae and young ; July to September. 



Larval forms and young of other species of Macroura. 



Squilla empusa, larvte in differeut»stages ; August, (439.) 



Mysis Americana, young and adnlt; April, May, (396.) 



Heteromysis formosa, young and adult. 



Thysanopoda, sp. Vineyard Sound ; April 30, (V. N. Edwards.) 



Cumacea, several species. 



Lysianassinre, several species, young and adult. 



Urothoe, sp, 



Monoculodes, sp. 



Oalliopius liieviusculus, adult and young; summer and winter, (439.) 



Pontogeneia inermis, fall grown ; winter. 



Gammarus natator, adult and young ; summer and winter, (439.) 



Mcera levis. 



Ampelisca, sp., young. 



Ampbitlioe maculata, young. 



A. longimana, young even 5 or G'""^ long. 



Hyperia, species ; summer, (439.) 



Phronima, sp. ; September 8, (439.) 



Idotea irrorata, (439.) 



I. robusta, (439.) 



I. pliospl^orea. 



Ericlisonia filiformis. 



Epelys trilobus. 



Tanais filum. 



Sappliirina, sp. ; September, (439.) 



Free Copepods of many genera and numerous species. 



Argulus laticaudaj August, (439.) 



A. latus; July. 



A. megalops ; September 8. 



Caligus rapax ; September 8, (439.) 



Balanus balanoides, larvie; April, May, June, (304.) 



Lepas fascicularis ; June and July, in Vineyard Sound, (382.) 



Limulus Polyphemus, young, (340.) 



Worms. 



Phyllodoce, sp., adult ; July 3 ; evening. 

 Phyllodoce, sp., young ; evening. 

 Eulalia, sp., youug; September 3; evening. 

 Eulalia, sp., young ; evening. 

 Eumidia, sp., young ; September 8 ; evening. 

 Eteone, sp., young ; evening. 



Autoly tus coruutus, male, female, and asexual forms ; July 29 to Au- 

 gust 18 ; evening. Watch Hill ; April 13, asexual form, (440.) 

 Autolytus, sp., asexual individuals, (398.) 



