NEUROPTERA-PLANIPENNIA, PSEUDO -NEUROPTERA. Ins . 255 
Myrmeleonidce. 
McCook, H. C. On the Habits of the Ant-Lion. P. Ac. Philad. 1882 
[1883] pp. 258-260. 
Concerns Myrvieleon ( Dendroleon ) obsoletus, Say ?. The habits of the 
larvae fully described. 
Nusbaum, J. Mundbewaffung und Mechanismus des Aussaugens bei 
der Myrmeleo-Ij&vvgd. Phys. Denkschr. Warschau, i. pp. 349-356, 
pi. i. 
[In Polish ; not seen by Recorder.] 
Redtenbacher, Josef. Zur Kenntniss der Myrraeleonideu-Larven. 
Wien. ent. Z. ii. pp. 289-296. 
Describes the larvae and habits of Myrmeleon erberi, Braner, Mymecce- 
lurus trigrammus, Pallas, and (?) Greagris plumbeus, Oliv. (? Megistopus 
flavicornis ), with comparative notes on Myrmeleon europceus , McLach., 
and M. formicarius, L., all from the neighbourhood of Pesth. 
Myrmeleon erberi, Brauer, = M. inconspicuus, Rambur ; McLachlan, 
Ent. M. M. xx p. 103. 
Myrmecoleon socotranus , Taschenberg, Z. Naturw. Ivi. p. 182, Socotra ; 
M. falcipennis, Costa, Atti Acc. Nap. (2) i. [1883] (cf. Bull. Ent. Ital. 
xv. p. 333, 1883 [1884]), Sardinia : spp. nn. 
Pseudo-N EUROPTERA. 
Thysanura. 
Brook, George. Notes on some little-known Collembola , and on the 
British species of the genus Tomocerus. J. L. S. xvii. pp. 19—25, 
pi. i. 
Records the occurrence in England and Jersey of species already 
described by Tullberg, with notes and figures. Achoreutes mandibularis , 
Tullb. (p. 19, pi. i. figs. 1-5), was found in Thanet ; Xenylla maritima , 
Tullb. (p. 20, figs. 6-10), in Jersey; Tricena mirabilis , Tullb. (p. 21, 
figs. 11-14), at Huddersfield ; Tomocerus vulgaris (p. 22, figs. 15-19), in 
Jersey; Tomocerus longicornis, Lubbock (nee Mull.), is regarded as T. 
plumbeus, L. ; T . plumbeus, Lubbock, is probably, only a colour var. of 
T. niger, Bour. ; T. tridentiferus , Tullb., is the most common species in 
England. 
. A Revision of the Genus Entomobrya , Rond. ( Degeeria , Nic.). 
L. c. pp. 270-283, pis. x. & xi. 
After reviewing the history of the genus, and enumerating the 
described species, the author proposes to reduce the 24 to 11, many of 
them having been founded on colour-characters only. Full bibliography 
and synonymy are given. The figs, are as follows: — Figs. 1-11, external 
anatomy ; 12, E. nivalis , L. ; 13-15, E. intermedia, sp. n. (p. 274, Jersey); 
16, var. elongata (p. 275, Austria) ; 17, E. albocincta, Temp. ; 18, E. 
multifasciata, Tullb. (var. pulchella , Ridley) ; 20, the same (type) ; 
21, the same (pale form) ; 22, the same (approaching var. nicoleti , 
