522 Appendix. 



of the subject I have added references to more recent 

 descriptions and figures of Sphinx-larvae published by 

 Burmeister and A. G. Butler, and I have endeavoured in 

 these cases to refer the caterpillars as far as possible to 

 their correct position in the respective groups founded 

 on the ontogeny and phylogeny of their allies. It is, 

 however, obvious that for the purposes of this work 

 figures or descriptions of adult larvae are of but little 

 value, except for the comparative morphology of the 

 markings ; and even this branch of the subject only 

 becomes of true biological importance when viewed in 

 the light of ontogeny. As our knowledge of the latter 

 still remains most incomplete in the case of exotic 

 species, it would be at present premature to attempt to 

 draw up any genealogy of the whole family, and I will 

 here only extend the subject by adding some few de- 

 scriptions of species which are interesting as having been 

 made from the observations of field-naturalists, and which 

 contain remarks on the natural history of the insects. 



Mr. C. V. Riley in his " Second Annual Report on 

 the Noxious, Beneficial, and other Insects of the State of 

 Missouri, 1870," gives figures and describes the early 



of this work are figured by Semper (Beit, zur Entwicklungs- 

 geschichte einiger ostasiat Schrnet.; VerhandL d. k.k. zoo. 

 bot. Gesell. in Wien, 1867) : Panacra Scapularis, Walk. ; 

 Charocampa Clotho, Drury ; and Diludia (Macrosild) Diseis- 

 triga, Walk. The following are figured by Boisduval and 

 Guene'e. (Spe'c. Ge*n. 1874): Smerinthus Ophthalmicus, 

 Boisd. ; Sphinx Jasminearum, Boisd. ; S. (Hyloicus) Plebeia, 

 Fabr. ; S. (Hyloicus) Cuprcssi, Boisd. ; 5. (Pseudosphinx) Ca~ 

 talpa, Boisd; Philampelus Jussiua, Hiibn. (= Sphinx Vitis, 

 Linn. ?) ; and Ceratomia Amyntor, Hubn. As the works of 

 Abbot and Smith, and Horsfield and Moore have been ex- 

 hausted by Dr. Weismann, it is quite unnecessary to extend 

 this note by giving a list of the species figured by these 

 authors. 



