WALKER^ ARCTIC MOLLUSCA. 507 



N. truncata, Br. Port Kennedy, 15 fathoms. 

 N. nitida, Sow. Godhavn. 

 Leda caudata, Don. Godhavn ; Melville Bay. 

 L. minuta. Godhavn. 

 L. pygmaea, Miinster. Godhavn. 

 Yoldia lucida. Melville Bay, 140 fathoms. 

 Modiola nigra, Gray. Cape York ; Port Kennedy. 

 Crenel la discors, L. Crimson Cliffs. 

 C. decussata, Mont. Melville Bay. 

 C. glandula. Melville Bay, 75 fathoms. 

 Pecten Islandicus, Miill. Godhavn ; Reefkol ; Melville Bay. 

 P. Groenlandicus, Sow. Cape York ; Melville Bay. 

 Hypothyris psittacea, Chemn. Reefkol ; Godhavn ; Melville 

 Bay, 140 fathoms. Numerous. 



Pteropoda. 



Clio borealis. Baffin's Bay ; Melville Bay. 



Limacina arctica. Baffin's Bay ; Melville Bay. 



Hyalaea tridentata and Deadora pyramidata in the North Atlantic. 



LXVII. — Insects and Arachnids from Port Kennedy, 

 lat. 72° N., long. 94° W., June and July 1859, and from 

 Pond's Bay ; taken during the Voyage of the " Fox." 

 From Dr. D. Walker's " Notes on the Zoology of the 

 last Arctic Expedition under Captain Sir F. McClin- 

 TOCK, R.N., &;c." Journal Royal Dublin Soc, vol. iii., 

 pp. 72-74. 



I. INSECTA. Fam. Hadenidse, Granby. 



Order Coleoptera. Hadena Richardsoni, Curtis. 

 Fam. Feroniidae, Lat. Fam. Larenitidge, Green. 



Platyderus nitidus, Kirby. Psychophora Sabini, Kirby. 



Order Hymenoptera. Fam. Tortricid^, Steph. 



Fam. Tenthredinidae, Leach. Cheimatophila, ri.s.J 



Nemetus intercrus, St. Farey. .-. j bt^ 



•^ OrderfDiPTERA. 



Fam. Apidae, Leach. Fam. Chironomidse, Hal. 



Bombus frigidus, Smith. Chironomusjpolaris, Kirby. 



B. terricola, Kirby. C. aterrimus (?), Meig. 



Order Lepidoptera. ^P* ' 



Fam. Argynnidae, Dup. Fam. Tipulidse, Lat., Leach. 



Melitaea Tarquinius, Curtis. Tipula artica,ii Curtis. 



Fam. Arctiid^, Leach. Limnobia, n.s. ? 



Arctia Americana, Harris. A Fam. Muscidae. 



larva. Eurigaster hirtus (Curtis). 



