54 Ins. 
INSECTA. 
is described, and the general portion contains many references to, and 
remarks on, the eye of Insects. According to the table on p. 732, the 
compound eye of Insects is thus defined : ommatidia aggregate, chroma- 
tophores devaginate, ommateum diploblastic, there is a modified optic 
vesicle, and a corneal cuticula present. 
526. Per^nyi, J. A hernyok conservalasa. Rov. Lapok, iii, pp. 167- 
170 & xxiii. [Lepidoptera.] 
Gives the composition of a liquid in which Caterpillars can bo satis- 
factorily preserved. 
527. PIsrez, J. Des effets du Parasitisme des Stylops sur les Apiaires 
du genre Andrena. Act. Soc. L. Bord. xl, pp. 21-60, pis. i & ii. 
[Ily menoptera.'] 
The list of spocios of the genus known to bo stylopisod is raisod to 60 ; 
the exterior changes produced by the parasite are discussed (pp. 23-33) ; 
the internal changes (pp. 34-41) ; the direct causes of the modifications 
(pp. 44-48) ; some secondary peculiarities of stylopisation (pp. 48-51). 
528. . Sur l’histog&iese des Elements contenus dans les gaines 
ovigeres des Iiisectes. O.R. cii, pp. 181-183 & 557-559. 
Sabatier has a note on this, t. c. p. 441. 
529. Pero, P. Nota sui Peli-Yentose de tarsi de Coleotteri. Boll. Mus. 
Tor. i, No. 13. 
Short supplement of 3 pages to the previous researches of Camerano 
and Simmermacher. 
530. Pokorny, — . Yier neue osterreichische Dipteren. Wien, ent Z. v, 
pp. 191-196. 
531. Poletajewa, 0. Du cceur des Insectes. Zool. Anz. 1886, 
pp. 13-15. 
Relates to the heart of Dombus and Clmbex. The writer is not quite 
in accord with previous authorities, and points out that the first (pos- 
terior) chamber of the heart does not act as a propeller, and that the 
ostia only close imperfectly. [For Summary, vide J. R. Micr. Soc. (2) 
vi, p. 424.] 
532. Poll, J. R. II. N. van de. Los Cicindelidcs de Pile de Curacoa, 
avec description d’une TetracJia nouvelle. Notes Leyd. Mus. viii, 
pp. 225-227. [ Colcoptcrci .] 
533. . Description d’une espece nouvelle du genre Eucamptogna- 
thus, Chaud. T. c. p. 229. [ Coleoptera .] 
534. . Description of a new Pciussid from S. Africa. T. c. p. 228. 
\Coleopterai\ 
535. . Description of a second species of the Lucanoid genus JEgo- 
gnathus , Leuthner. Tijdschr. Ent. xxix, p. 153. [ Coleoptera .] 
536. . Description of q, new Cetoniid from West Africa. T. c. 
p. 155. [ Coleoptera .] 
