ANATOMY, PHYSIOLOGY, BIOLOGY. 
Tns. 77 
ilymenoptera, and nomenclature of their parts, Perez (801).— 
Anatomy aud development of male organs of Bombi , Bordas (113). — 
Anatomy of abdomen of Bepidoptera , Peytoureau (809, 810). — Genital 
appendages in A and 9 Coleophora , Hofmann (431). — Comparative 
anatomy of the abdominal segments of the 9 of Ilemiptera-Heteroptera 
and Homoptera , Verhoeff (1107.) 
Primary and secondary sexual organs discussed, Escil ERICH (276), 
Verhoeff (1100). 
Distinction of sexes in Coleojitera, Martin (682). — Sexual characters 
in Scolytidce , Hopkins (438). 
Structure of spermatozoa, Bali.owitz, K. (44), Ballowitz, E. (43). — 
Spermatogenesis in Bombyx mori, Nogakushi (761). — Nogakushi’s “ sup- 
porting cells,” Cholodkovsky (175). — Spermatogenesis of silk-worm, 
Toyama (1077). 
Auerbach’s observations on the sperma of Dytiscus discussed, Kionka, 
Biol. Centralbl. xiv, p. 408. 
Nature of parthenogenesis and alternation of generations discussed, 
Anderegg (14). 
Parthenogenesis in Cimbex , Pauly (798). — Receptaculum seminis and 
question of parthenogenesis in the wasp, MaRCHAL ( 668 ). — Fertile 
workers of the honey-bee, Marchal (669). — Parthenogenesis in Tenthre - 
dinidce , Chawner, Entomologist, 1894, p. 175. 
Production of males by wasp, Marchal (670). 
Embryology : summary of recent researches, Heymons (429). — Origin 
of mesoderm, of body cavity, of segmentation, and strobilation, Cholod- 
kovsky (174). — Formation of the germinal layers and embryonic mem- 
branes, Wagner (1115). — Development of the mesenteron, Korotneff 
( 570). — Formation of endoderm, mesoderm, and ectoderm, more especi- 
ally in Orthoptera, Heymons (428). — Origin of endoderm and mesoderm 
in Calandra and Chrysopa , Ticiiomirow (1068). — Origin of mesoderm in 
Chrysopa , Tikiiomirowa (1069). — Discussion of polypody, Packard, 
pp. 282-287, P. Amer. Phil. Soc. xxxii. — Embryology of parasitic 
Hymenopterd ( Proctotrupidce ), Koulaguine (576). 
Physiology of winter egg of Phylloxera , Lemoine (634). 
Hermaphrodites of Apatara iris and Nemeophila russula , Jahresber. 
Ver. Elberfeld, vi, pp. 74-77, pi. i, figg. 2 & 6 ; olElymnias lais , Fruhs- 
torfer, p. 13, SB. Berlin, ent. Zeitschr. xxxix ; of Endromis versicolor , 
Thiele, t. c. p. 15 ; of Lyccena eros , Kneciit, p. 157, Mt. Schweiz, ent. 
Ges. ix. — Hermaphrodite Geometridm , Ent. Zeit. Stettin, lv, pp. 131 & 
132, pi. v, figg. 1-4. 
Copulation of Satyrus and Vanessa , Rocquigny, p. 174, Feuille Natural, 
xxiv. and p. 150, Rev. Sci. Bourbonnais, vii. Argynnis paphia and 
Thecla quercus coupled, Graves, p. 269, Entomologist, 1894. Hybrids : 
of Saturnice , &c., Merrifield, p. xxxv, P. ent. Soc. London, 1894 ; of 
Saturnia pavonia and pyri y Wiskott (1163) ; of Saturnia , Standfuss, 
p. 163, Mt. Schweiz, ent. Ges. ix ; of Smerintlius occllatus and Paonias 
astylus , Neumokgen, p. 326, Ent. News Philad. v. 
