G4 Ins. 
INSECTA. 
embryos, Oarriere (134), Graber (341, 344). — Diagrammatic scheme of 
the various forms of primitive groove as given by Grader, Cholod- 
kovsky (148): Grader criticises this, L c. p. 291, and Cholodkovsky 
replies, t. c. p. 465. 
Structure and development of female sexual organs of Phyllodromia 
germanica, Heymons (391).— Embryology of Blatta germanica, Ciiolod- 
kovsky (145). — Note on the development of the nervous system in Blatta 
germanica , Ciiolodkovsky (14G). — Development of the zoonites and 
limbs, and of the nervous system of Mantis , Viallanes (905, 90G). — 
Embryology of nervous system in Xiphidium, &c., Wheeler (959). — 
Embryology of Smicra, Henneguy (385). — Remarks by Graber on some 
points in the embryology of IJydrophilus, as to which he is at variance 
with, Dr. Heider, Zool. Anz. xiv, pp. 8 & 9.— On some points in Nus- 
baum’s embryology of Meloe, see Graber, Zool. Auz. xiv, pp. 28G-290 ; 
on the abdominal appendages of Ilydrophilus, id. p. 290. — Note on 
embryology of Calandra granaria , Ticiiomirow, Biol. Centralbl. x, 
p. 424. — Development of fat- and blood-tissues, proposing for them the 
name of hsemosteatic tissue., Graber (341). 
Spermatozoa of Coleoptera, Graber (315). 
Spermatogenesis in PyrrJiocoris apterus , Henking (384) ; in Gryllo - 
talpa, Rath (G84). 
Modes of preparation of eggs for embryological researches, Henking 
(383). 
Fertility of ■worker bees, Kirby, p. xxvi, P. E. Soc. 1891. — A vivi- 
parous cockroach and structure of its egg-mass, Riley (723). 
Parthenogenesis in Clavellaria amerince , Brisciike, Schr. Ges. Danz. 
(2) vii, pt. 4, p. 29. — Parthenogenesis in Perilitus, Kunckel & Lang Lois 
(499). — Parthenogenesis in workers of Formica sanguineci produced by arti- 
ficial heat, Wasmann (933). 
Hermaphrodite of Lyccena avion , Lelievre, Feuill. Nat. xxi, p. 238 ; 
of Endromis versicolora , Ruiil, Soc. Ent. vi, p. 98 ; of Selidoseina stri- 
gillaria , Swierstra, Tijdschr. Ent. xxxiv, p.xix ; structural characters of 
a gynandromorphous Eronia hippia , Baker (26). 
Gynandromorphous $ s of Argynnis paphia , Williams, and Colias 
clectra , Service, Ent. xxiv, p. 21G. — Male and worker characters com- 
bined in one individual, Perkins (G47). 
6. General Biology and Stray Notes. 
Comparative tenacity of life in pupae of insects of different orders, 
Verhoeff (898).— Duration of life of a beheaded Chrysis , Veriioeff, 
Ent. Nachr. xvii, p. 144. — Variety of food of one Lepidopterous larva, 
Soule, Psyche, vi, p. 117. — Hibernation of fertilized and unfertilized 
$ $ of Lepidoptcra and other insects, Chapman, p. 22, and Porritt, 
p. 50, Ent. M. M. (2) ii. — Constitution of Alpine butterflies, Scudder 
( 787). — Two pupae in one cocoon, Junge, pp. 48-50, Verb. Ver. Hamb. 
vii. — Sexes in double cocoons, Riley, P. E. Soc. Wash, ii, p. 38. — Effects 
