253 



Hymeiioptera — Pisces. 



21918 Davis, G. C. 1897. A Review of the Ichneumonid Subfamily Tryphoninae. 



Trans. Amer. Entom. Soc. Vol. 24. p. 193-(280). [595.79 T. 



(78 nn. spp., 2 nn. var.; nn. gg.: Cultrarius, Pseuclometopius, Zethades, Thibetoides, 

 Mima, JExcavarus, Anderis, Quadrigana.) 



19 Fox, William J. 1891. On the Species of Trypoxyîon inhabiting America 



North of Mexico. With 1 pl. Trans. Amer. Entom. Soc. Vol. 18. p. 136 -148. 



(20 [9 nn.] spp.) [595. 79 T. 



20 Lewis, H. W. 1897. Vespinae of the United States and Canada. With 1 pl. 



Trans. Amer. Entom. Soc. Vol. 24. p. 169-192. [595.79 V. 



( Vespa Fernaldi n. s p.) 



XXI. Vertebrata (596). 



21 (On the value of generic distinctions in différent groups of Vertebrates.) 



Amer. Naturalist, Vol. 32. March, p. 219-220. [596.01. 



22Bätke, Hans. 1898. Über das Flimmern des Kaltblüterherzens. Aren. f. d. ges. 

 Physiol. Pflüger, 71. Bd, 7./8. Hft. p. 412-419. [596.0112. 



23Rollett, Alex. 1898. Zur Kenntnis der physiologischen Verschiedenheit der 

 quergestreiften Muskeln der Kalt- und Warmblüter. Mit 3 Textfigg. und 

 1 Taf. Arch. f. d. ges. Physiol. 71. Bd. B./e. Hft. p. 209-235-236. [596.017. 



24Bles, Edw. J. 1898. On the openings in the wall of the body cavity of Verte- 

 brates. Proc. Roy. Soc. London, Vol. 62. No. 382. p. 232-240-247. — Abstr. Journ. R. 

 Micr. Soc. London, 1898. P. 2. p. 186. [596.033. 

 21925 Moore, B., and Swale Vincent. 1898. On the comparative chemistry of the 

 suprarenal capsules. Proc. Roy. Soc. London, Vol. 62. No. 383. p. 280-283. — Abstr. 

 Journ. R. Micr. Soc. London, 1898. P. 2. p. 186. [596.044. 

 (20342 ist hiernach zu corrigieren.; 



Ahlborn, Fr. 1895. Über die Bedeutung der Heterocerkie und ähnlicher unsym- 

 metrischer Schwanzformen etc, Ausz. von G. Tornier. Zool. Centralbl. 5. Jhg. 

 No. 9. p. 298—299. [596.047. 

 (Zeitschr. f. wiss. Zool. — v. Z. A. 1895. p. 524.) 



26 Laver, H. 1898. The Mammals Reptiles and Fishes of Essex: a Contribution 



to the Natural History of the County. With 8 full-page, 2 half-page illustrs. 



(Essex Field Club Special Memoirs. Vol. 3.) London, Simpkin, 1898. 8°. 



(146 p.) 10s. 6d. [596.(4267). 

 27Borggreve, B. 1897. Die Wirbelthiere des Regierungsbezirks Wiesbaden. 



Jahrbb. Nassau. Ver. f. Naturkde., 50. Jhg. p. (145) 147-178. [596.0(4358). 



(55 Säugethiere, 263 Vögel, 9 Reptilien, 14 Amphibien, 43 Fische.) 



28 Trautzsch, Hrm. 1898. Die geographische Vertheilung der Wirbelthiere in 



der Grönland- und Spitzbergensee, mitBerücksichtigung derBeobachtungen 

 Nansen's. ([l.]und 2. Stück [Schluß].) Biol. Centralbl. 18. Bd. No. 9. p. 313-335. 

 No. 10. p. 357-376. [596.0(98). 



a) Pisces (597.1—5). 



29 Eastman, Ch. R. 1898. Agassiz's work on fossil fishes. Amar. Naturalist, Vol. 32. 



March, p. 177-185. [567.009. 



30 Jordan, David Starr. 1898. Agas si z on récent fishes. Amer? Naturalist, Vol. 32. 



March, p. 173-176. [597.009. 

 21931 Haidane, J. S. 1897. Air-bladder of fishes. Science Progress, Vol. 7. No. 6. p. 120 

 -130. — Abstr. Journ. R. Micr. Soc. London, 1898. P. 2. p. 187-188. [597.042. 



30. V. 1898. 



