722 



Index. 



Development ; of marking of 

 Sphinx-larvae, laws of, 274 ; 

 phyletic, of markings of Sphingi- 

 da, 370; unequal phyletic, 460. 



Dimorphism and polymorphism ; 

 of butterflies, 250 ; of Sphinx- 

 larvae, 300 ; of pupae, 412. 



Diptera, incongrucnces among, 

 488 ; imaginal characters of, 

 488 ; divisions of. 498. 



Dodo, extinction of, 651. 



Dohrn, A. : on degeneration, 583 ; 

 on functional change. 590. 



Dorfmeister, G. ; experiments with 

 A. levana, 1 1. 



Duponchel ; figures of larvae re- 

 ferred to, 207, 208, 218, 253. 



Dume'ril ; experiments with Axolotl, 

 5 55. 564, 566, 593 ; characters of 

 Axolotl, 375, 576. 



E. 



EDWARDS, W. H., seasonal dimor- 

 phism of P. pseudargiolus and 

 P. violacea, 4 ; of P. 'Ihiros and 

 P. Afarcia, 4 ; of P. Ajax, 30 ; 

 of L. Artemis and L. Proserpina, 

 32 ; experiments with P. Ajax 

 and P. 'f/iaros, 33, 126, 140; 

 pupal period of winter forms of 

 P. Ajax, 36 ; experiments with 

 G. intcrrogationis, 149 ; early 

 stages of larvae of N. American 

 butterflies, 165 ; larva of P. 

 pseudargiolus and attendant ants, 

 290 ; figures of larvae referred to, 

 165, 436, 437. 



Eimer ; colour variation in Lacetta 

 muralis, 361. 



Emmelesia unifasciata, larva phy- 

 tophagically variable, 307. 



Environment, direct and indirect 

 action of, 686. 



Ephyra punctaria and E. omi- 

 cronaria, seasonal dimorphism 

 of, 4. 



Eriogaster lanestris, larva eaten by 

 lizaids, 336. 



Eriolus Pleridis, resemblance of 

 larva, 320. 



Euchelia Jacobair ; larva and 



imago rejected by lizards, 336 ; 

 constant in all three stages, 405. 



Euchloe : E. bi'lia and E. ausonia, 

 seasonal dimorphism of, 3 ; E. 

 belia, climatic variation of, 47 ; 

 var. Simp Ionia in Alps, 48 ; E. 

 ^/^//Mtf, seasonal dimorphism and 

 migration of, 78. 



Euproctus Rusconii, habits of, 617. 



Eusmerinthus Kimiermanni, larva, 

 526. 



Evershed, J., larva of C. porcellus, 

 1 88. 



Eye-spots ; repetition of, 277 ; de- 

 velopment of, 325,327 ; terrifying 

 action, 330 ; resemble flower- 

 buds, 334 ; useful when rudi- 

 mentary, 366. 



F. 



FATIOT, Amphibia of Upper En- 

 gadine, 616. 



Fechner, on conscious matter, 714. 



Filippi, De, Triton alpestris, 585. 



Forel, Prof., fresh-water Pulmo- 

 nifera, 590. 



Form-relationship and blood-re- 

 lationship, not always coincident, 

 395- 



Fruntzius, Von, on climate of 

 Mexico, 619. 



Frogs, 615, 616, 618 ; inedible 

 species, 294. 



Function, change of, 365. 



O. 



GEGENBAUR, Prof., the skull of 

 Axolotl, 576. 



Gehrig, breeding of Axolotl, 565. 



Gene", habits of Euproctus Rusconii, 

 617. 



Genera, Lepidopterous, show 

 greatest congruence, 459. 



Generation, Heterogeneous, 679, 

 698, 702. 



Gentry, T. G., phytophagic varia- 

 bility of caterpillars, 306. 



Gerstiicker, division of the Diptera, 

 498. 



