312 Ins. 
(g.) aptera. 
[Cf. Dybowski (278), Folsom (351-855), Freche & Beillf. (368), 
Hamann (467), Harvey (481), Heymons (502), Janet (574, 575), 
Lannelongue (693), Lie-Pettersen (714), Macgillivray (729), 
Marlatt (745), Meinert (776), O. M. Reuter (971), Schaffer 
(1019), SchOtt (1040, 1041), Yogler (1194).] 
Absence of amnion in Orchesella , nature of the embryonic membranes in 
Lepisma , relation of Aptera to other insects ; Heymons (502). 
The cavernicolous Thysanura and Collembola of Europe ; Hamann 
(467). 
Aptera iu the Paris catacombs ; Yire (1192). 
Thysanura. 
Campodea iu the cave of Dargilau ; Lannelongue (693). 
0. erebophila , Adelsberg cave, Hamann, Eur. Hohlenfauna, p. 153, pi. iii, 
fig. 1, n. sp. 
Lepismina polypoda, habits, relations to ants ; Janet, pp. 131-138, Bull. 
Soc. ent. France, 1896 : habits ; Janet (574) : translated, Ann. 
Nat. Hist. (6) xvii, pp. 398-400. 
Machilis : anatomy and morphology of mouth-parts ; Dybowski (278). 
Oollembola. 
Revision of palaoarctic Collembola ; SchOtt, Svenska Ak. Handl. xxv, 
No. 11, 100 pp., 7 pis. This important work was overlooked in 
1893. 
Structure of terminal processes ; swarms on snow ; Yogler (1194). 
Poduridui causing red snow, criticism of Yogler’s paper of last year ; 
Schaffer, Zool. Auz. xix, p. 139. 
Collembola found on snow and ice; Schott, pp. 113-128, pi. iii, Ent. 
Tidskr. xvii. 
Collembola in Greenland ; Meinert, pp. 167-170, Yid. Medd. 1896. 
The Collembola of Norway ; Lie-Pettersen, Bergens Mus. Aarbog, 
1896, No. 8. 
Revision of Thysanura and Collembola of Finland ; Reuter, Acta Soc. 
Faun. Feun. xi, No. 4. 
Achorutes pluvialis , Switzerland, Yogler, p. 149, Illustr. Wochenschr. i ; 
A. schotti , sahlberyi, Finland, Reuter, p. 31, Acta Soc. Faun. Fenn. 
xi, No. 4 ; A. trybomi , N. Asia, p. 82, pi. vii, figg. 9 & 10, navicularis, 
Siberia, p. 83, figg. 11 & 12, Schott, Svenska Ak. Handl. xxv, 
No. 11 : n. spp. 
Anoura 6-tuberculata , N. America, ? = gibbosa , Pack., Harvey, p. 423, 
cuts, Psyche, viii, n. sp. 
Calistella, n. g. for Degeeria superba, Reut.; Reuter, p. 46, pi. iv, figg. 1-1, 
Svenska Ak. Handl. xxv, No. 11. 
Entomobrya Jlava , Norway, Lie-Pettersen, p. 14, pi. i, fig. 6, Bergens 
Mus. Aarbog. 1896, No. 8, n. sp. 
Isotoma : the N. American species tabulated ; Macgillivray, pp. 47-58, 
Cauad. Ent. xxviii. 
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