56 Ins. 
JNSECTA. 
554. Plateau, F. Une experience sur la function des antennes chez la 
Blatte. C.R. ent. Belg. 1886, pp. cxviii-cxxii. 
Specimens of Periplaneta orientalis with antennae, and others deprived 
thereof, were confined in a vessel, and it was found that only the former 
found their way to food. He concludes “ chez la Blatte les antennes sont 
les organes olfactifs.” 
. [See also Miall & Denny.]. 
555. Plotz, C. System der Schmetterlinge. MT. Vorpomm. xxxvii, 
pp. 1-44. 
A systematic arrangement of Lepidoptera, accompanied by characters 
for the various divisions. He recognizes 43 groups and 100 families. 
55G. . Nachtrag und Berichtigungou zu den llcsperiinen. S. E. Z. 
xlvii, pp. 83-117. [Lepidoptera.'] 
This supplement contains descriptions of new and recently described 
Bpecies, additional characters for others, and a few remarks on synonymy 
and variation ; a few genera are redescribed. The habitat of several of 
the new species is unknown. 
557. Poppe, S. A. Ein neuer Smynthurus aus S.W. Africa. Abh. Ver. 
Brem. ix, p. 320. [ Neuroptera .] 
558. Portschinsky, J. Orthoptera nonnulla nova vel parum cognita. 
Hor. Ent. Ross, xx, pp. 111-127, pi. xii. 
This paper is entirely in Russian ; it apparently includes only 1 new 
species. . . 
559. Poujade, — . New Lepidoptera from Thibet. Bull. Soc. Ent. Fr. 
(6) v, pp. cc, ccvii, ccxv, & ccxvi ; op. cit. (G) vi, pp. xii, xiii, xxii, 
xcii, cxvi, cxvii, cxxv, cxliii, cl, cli, clix, clxvii, & clxxxviii. 
560. Poulton, E. B. Notes in 1885 upon Lepidopterous larvae and 
pupae, including an account of the loss of weight in the freshly 
formed Lepidopterous pupa. Tr. Ent. Soc. 188G, pp. 137-179. 
Contents: — 1, Notes upon the larvae of Smerinthus tilice and S.ocel - 
latuSy and upon the red spots in Smerinthus larva). 2. Further examina- 
tion of the newJy-liatched Smerinthus larva. 3. Notes upon the adult 
larva of Acherontia atropos , with suggestions as to its appearance in 
earlier stages. 4. The relation of the colours of the larva of Sphinx 
ligustri to those of its food-plants. 5. A new point in the terrifying 
attitude of the larva of Chcerocampa elpenor. 6. The terrifying attitude 
of the larva of Dicranura vinida. 7. The fluid ejected by the larva of 
D. vinula. 8. The apparent failure of the extreme protection of many 
larvae. 9. An eversible gland in the larvae of Orgyia pudibunda. 10. The 
production of a twig-like appearance in the larva of Hemithea thymiaria. 
11. The darkening of the hairs of the larva of A crony eta leporina before 
pupation. 12. The method by which the imagines of the Chloephoridce 
escape from their cocoons. 13. Notes upon the larva of Paniscus cepha- 
lotes parasitic upon the larva of Dicranura vinula. 14. Additional note 
on the distribution of derived plant pigments in certain larvae. 15. On 
