xiv DESCRIPTION OF THE PLATES. 



FIG. 



6. Acilius. Westwood, loc. cit. vol. i. p. 100. 



7. Termes. Westwood, loc. cit. vol. ii. p. 12. 



8. Stylops. Duncan, Met. of Insects, p. 387 ; Packard, p. 482. 



9. Thrips. Westwood, loc. cit. vol. ii. p. I. 



PLATE IV. p. 15. 



G. 



1. Larva of Chloeon. Linn. Trans. 1863. 



2. Larva of Meloe. Chapuis and Candeze, Mem. Soc. Roy. Liege, 



1853, pp. i, 7. 



3. Larva of Calepteryx. Dufour, Ann. Sci. Nat. 1852. 



4. Larva of Sitaris. Duncan, Met. of Insects, p. 309. 



5. Larva of Campodea. Gervais' Suites a Buffon. Apteres. 



6. Larva of Acilius. Westwood, loc. cit. vol. i. p. 100, 



7. Larva of Termes. Duncan, lo.c. cit. p. 348. 



8. Larva of Stylops. Westwood, Trans. Ent. Soc. 1839, vol. ii. 



pi. xv. fig. I3a. 



9. Larva of Thrips. Westwood, loc. cit. vol. ii. p. i. 



FIG. PLATE V. p. 99. 



i 5. Protamceba, 



6 9. Protamyxa Aurantiaca. Haeckel Beit. zur. Monog. der Mo- 



neren, pi. i. 

 10 18. Magosphoera planula. Haeckel, loc. cit. pi. v. 



PLATE VI. p. 105. 



FIG. 



i 4. Yolk-segmentation in Laomedea. After Allman. Mon. of 



Tubularian Hydroids. Ray Society. 

 5 9. Yolk-segmentation in Filaria. After Van Beneden. Mem. 



sur les Vers Intestinaux. 

 10 13. Yolk-segmentation in Echinus. After Derbes. Ann des. Sci. 



Nat. 1847. 

 [4 17. Yolk-segmentation in Lacinularia. After Huxley. J. of Mic. 



Sci. 1853. 

 18 21. Yolk- segmentation in Purpura. After Koren and Danielssen. 



Ann. des. Sci. Nat. 1853. 

 22 25. Yolk-segmentation in Amphioxus. After Haeckel. Naturliche 



Schopfungsgeschichte, pi. x. 

 28 29. Yolk-segmentation in Vertebrate. After Allen Thompson. 



Art. Ovum. Cyclop, of Anatomy and Physiology. 



