189 r.] NEW-YORK MICROSCOPICAL SOCIETY. 5 



DYTISCID^. 



Dytiscus marginalis Linn, 

 1634. Larva. Mouffet. Ins. Min. AnimaL Theatr. 320. 

 1685. Larva (fig.)- Swammerdam. Bibl. Nat. pi. xxix. 

 1749. Larva, pupa (fig.). Roesel. Insect. Belust. i. 1-8. pi. i. 

 1758. Larva (fig., brief). Hill. Book of Nat. Hist. Ins. pi. xxix. 

 1774. Larva. De Geer. Mem. iv. m. 8. 



1804. Larva, pupa (fig.). Latreille. Nat. Hist. Ins. & Crust. 70. pi. Ixx. 

 1806. Larva. Clairville. Ent. Helvet. ii. 204. 

 1806. Larva (fig., brief.) Shaw. General Zoo.' 9:. pi. xxxiii. 

 1823. Larva, pupa. Latreille (quotes Roesel). Regne Anim. 284, 285 (1817). 

 1826. Larva (fig.). Kirby & Spence (quote Roesel). Intro. Ent. iii. pi. xiii. 

 1832. Larva, pupa (figs.). Lyonet. Recherches. 108. pi. xi (1760). 

 1832. Larva. Erichson. Gen. Dytis. 14. 



1834. Larva, pupa (fig.). Sturm (quotes Roesel). Ins. Deutsch. viii. 11. 



pi. clxxxvi. 



1835. Larva, pupa (figs.). Audouin et Bralle. Nat. Ins. v. 194 pi. 



1835. Larva (fig. only). Duncan. Nat. Library, ii. 136. 



1836. Larva. Curtis. Trans. Ent. Soc. Lond. i. 86. 

 1836. Larva (fig.). Heer (quotes Roesel). Obs. Ent. pi. iii. 



1839. Egg, larva, pupa (figs.). Westwood (quotes various authors). Int. 

 Ins. i. 99-101. 



1841. Larva, pupa (figs.). Jones. Anim. Kingd. 245. 



1842. Larva (fig., brief). Anony. Rudiments of Zoology. 235. 



1855. Larva (fig. only). Chapuis et Candeze. Mem. Soc. Sc. Liege, viii. 



383- pl- i- 



1864. Larva, pupa (figs.). Schioedte. Nat. Tidsskr. iii. 182. pl. iii. 



1865. Egg, larva, pupa (brief, figs.). Houghton. Intellect. Obs. vi. 422. 

 1870. Larva, v. Fricken. Nat. and Off. xvi. 474. 



1872. Larva, pupa (figs. , brief). Figuier. Insect World. 479. 



1874. Larva, pupa (figs. only). Le Baron. 4th Rep. Nox. Ins. 111. 40. 



CVBISTER FIMBKIOLATUS Say. 



1885. Larva, pupa (figs.). Duges. Ann. Ent. Soc. Belg. xxix. 27. pl. ii. 

 HYDROPHILID^E. 

 Helophorus granularis Mots. 

 1862. Larva, pupa (figs.). Schioedte. Nat. Tidsskr. iii. i. 213. pl. vii. 



Hydrophilus nimbatus Say. 

 1884. Larva, pupa (figs.). Duges (as //. lateralis). Ann. Ent. Soc. Belg. 

 xxviii, 7. pl. i. 

 Hydrophilus triangularis Say. 

 1881. Egg, larva (figs.). Garman. Am. Nat. xv. 661. 



Hydrocharis obtusatus Say. 

 1884. Egg-case (fig.), young larva. Bowditch. Journ. Bost. Zoo. Soc. 

 iii, 1-6. 



