TITLES. 
Ins. 23 
329. Graski, B. Anatomia comparata dei Tisanuri e considerazioni 
generali sull* organizzazione dogli Insetti. Atti Acc. Rom. (4) iv, 
pp. 543-606, pis. i-v. [ Neuroptera .] 
Besides a number of details of structure, this discusses some philo- 
sophical points of considerable interest. 
330. . Re e regine di sostituzione nel regno delle Termiti. . Bull. 
Ent. Ital. xx, pp, 139-147. [Neuroptera.'] 
331. . Ersatzpaar bei den Termiten. Zool. Anz. xi* p. 63. [ Neuro - 
ptera.] 
332. . Weitere Mitthoilungen iiber die Ersatz-Konige und Konig- 
innen im Reiche der Termiten. T. c. pp. 615-618. 
333. . La Pulce del cane ( Pulex serraticeps , Gerv.) 6 l’ordinario 
ospit.e intermedio della Tamia cucumerina. Bull. Ent. Ital. xx, p. 66. 
334. & Calandruccio, S. Ueber einen Echiuorhynchus, welcher 
auch in Menschen parasitirt und dessen Zwischenwirth ein Blaps ist, 
CB. Bakt. Parasit. iii, pp. 522-525. 
335. Griffiths, A.B. On the Malpighian tubules of Libellula depresea, 
P. R. Soc. Ediub. xv, pp. 401-403. 
“In the mature Dragon-fly the Malpighian tubules function as true 
kidneys.” 
336. . Researches on the problematical organs of the Invertebrata. 
Op. cit. xiv, pp. 230-237. 
- Relates to renal organs, salivary glands, and " liver.” 
337. Griffiths, G. C. Experiments upon the color-relation between 
the pupae of Pieris rapes and their immediate surroundings, by 
George C. Griffiths ; described and summarised by W. White. Tr. 
E. Soc. 1888, pp. 247-267. [Lepidoptera.] 
Though carried out from an independent standpoint, these observations 
confirm Poulton’s conclusions. 
338. Grill, C. Svampbilduingar hos Insekter. Ent. Tidskr. ix, pp. 
19-27. 
339. Grote, A. R. The origin of ornamentation in the Lepidoptera , 
Canad. Ent. xx, pp. 114-117. 
340. . Characters of protection and defence in Insects. T. c. 
pp. 154-156. 
341. . A chapter on the structure of Butterflies and Moths. Rep, 
E. Soc. Ont. xviii, pp. 72-82. 
Discusses briefly several interesting matters indirectly connected with 
Lepidopterology. 
342. . The classification of the Bombycidce. Second paper, Canad. 
Ent. xx, pp. 166-170 ; third paper, t. c. pp. 181-185; fourth paper, 
t. c . pp. 221-225. [ Lepidoptera .] 
For some remarks on these papers, cf. Smith, t. c. pp. 236-238. 
