»-? 



THE CANADIAN ENTOMOLOGIST. 7 



5 — OcYPETE ( Irombidiujii. ?) comata Say, Jour. Phila. Acad, ii., 82 

 (182 1); Coll. Writings, ii., 23. 



III. Erythrceus Latr. 



I — E. MAMiLLATUS Say, Jour. Phila. Acad, ii., 70 (1821) ; Coll. Writings 

 ii., 16. 



Family Bdellid/E Dugcs. 



I. Bdella Latr. 

 I — B. MARINA Packard, ist Rep. U. S. Fish Com., 544 (1874); Guide 

 to Study of Insects, 660; Am. Nat. xviii., 827* (1884) ; Standard 

 Nat. Hist., ii., 103. 

 2 — B. OBLONGA Say, Jour. Phila. Acad, ii., 74 (1821) ; Coll. Writings, ii., 

 19. 



Family Hydrachnid^ Sundeval. 



I. Lininochares Latr. 

 I — L. EXTENDENS Say, Jour. Phila. Acad, ii., 80 (1821) ; Coll. Writings 



ii., 22. 



II. Hydrachtia Miiller. 

 I — ^H. cocciNNEA Haldeman, Proc. Phila. Acad. 1., 196 (1842). 

 2 — H. FORMOSA Dana & Whelpley, Am. Jour. Science, ist sen, xxx., 357* 



(1836). 

 3 — H. NEBULOSA Haldeman, Proc. Phila. Acad., i., 196 (1842). 

 4 — H. PYRiFORMis Dana & Whelpley, Am. Jour. Science, ist ser.. xxx., 



35S* (1836). 

 5 — H. 5-ujsDATA Haldeman, Proc. Phila. Acad., i., 184 (1842). 

 6 — H. scABRA Haldeman, Proc. Phila. Acad, i., 184 (1842). 

 7 — H. TRiAJNGULARis Say, Jour. Phila. Acad, ii., 79 {1821) ; Coll. Writings 



ii., 23. 

 8 — H. TRICOLOR Packard, Am. Jour. Science, 3rd ser., i., ro8 (1871). 

 9 — H. BELOSTOM^ Riley, ist Rep. U. S. Entom. Com., 312* (1878). 



III. At ax Fab. 



I — A. HUMEROSA. Standard Nat. Hist, ii., 102. Where described? 



2 — A, YPsiLOPHORUS. Standard Nat. Hist, ii., 102. Where described ? 



IV. Thalassarac/ma Packard. 

 I— T. Verrillii Packard. Am. Jour. Science, 3rd ser., i., 107 (1871); 

 Standard Nat. Hist, ii., 102. Referred by Murray to Po7itarachna, 



