No. 31.] INSECTS OF CONNECTICUT : THYSANURA. 25 



Order THYSANURA. 



Suborder CINURA. 

 Family MACHILID^E. 



Machilis Latreille. 

 sp. probably variabilis Say. Pack. Guide, 9th Ed., pi. x, 

 figs. 8 and 9. 



Family LEPISMIDjE. 



Lepisma Linnaeus, 

 quadriseriata Packard. Ctenolepisma. Bristle-tail. Silver- 

 fish. Fish moth. Pack. Guide, 9th Ed., 623. 



saccharina Linnaeus. Bristle-tail. Silverfish. Bur. Ent., 

 Bull. 4, new ser., 76. 



Thermobia Bergroth. 

 domestica Packard. Lepisma. Silverfish. Bristle-tail. Fish 



moth. Insect Book, 382 ; Bur. Ent., Bull. 4, new ser., jj. 



Suborder COLLEMBOLA. 

 Family SMINTHURID^. 



Sminthurus Latreille. 



hortensis Fitch, pruinosus. Garden flea. Rept. N. Y. State 

 Ent., ii, 207. 



Family ENTOMOBRYIDJE. 



Entomobrya Rondani. 

 sp. 



Seira Lubbock, 

 nigromaculata Lubbock. Collem. Minn., 36. 



Isotoma Bourlet. 

 albella Packard. Rept. Peab. Acad. Sci., v, 32. 

 sp. near palustris Muller. Collem. Minn., 70. 

 sp. 

 sp. 



