WORKS AND PAPERS ON SPONGES. 217 



HIGGIN (T.). On the structure of the skeleton of Euplectella 

 aspergiUum, Ann. Nat. Hist., ser. 4, vol. xiii, 1874, p. 4. 



On two Hexactinellid Sponges (Hyalonema cebutense and 



Lalaria hemisphcerica) from the Phillipine Islands, in the Liver- 

 pool Free Museum, with remarks by H. J. Carter, Ann. Nat. 

 Hist., ser. 4, vol. xv, 1875, p. 377. 



On a new Sponge of the genus Luff aria ^ from Yucatan, in the 



Liverpool Free Museum, Ann. Nat. Hist., ser. 4, vol. xvi, 



1875, p. 223. 

 Description of some Sponges obtained during a cruise of the 



Steam Yacht " Argo," &c., Ann. Nat. Hist., ser. 4, vol. xix, 



p. 291, pi. xiv. 

 Sponges, their anatomy, physiology and classification, Proc. 



Liverpool Soc., xxix, 1875, p. 193, pis. i iii. 

 LANKESTER (E. E.). The mode of occurrence of Chlorophyll in 



Spongiadfe, Quart. Jour. Micros. Sci., vol. xiv, 1874, p. 



400. 

 The structure of Halipliysema Tumanowiczii, Quart. Jour. 



Mic. Sci., new series, xix, pp. 475 482, pi. xii. 

 HADLOW (H.). The Hyalonema mirabilis, Tr. A. S. Japan for 



1872-3, 1874, p. 10. * 

 METSCHNIKOFF (Ellias). On the development of the Calcispongiee, 



Zeitschrift fur wissenschaftliche Zoologie, Band xxiv, 1874, 



pp. 1 14, pi. i, translated Ann. N. Hist., ser. 4, vol. xvi, 



p. 41. 



Beitrage zur Morphologic der Spongien, Zeits. wiss. Zool., 



xxvii, 1876, p. 275 (Archiv Z., exper. v, 1876, p. 357). 



Eesearches respecting Sponges, Mem. Soc. Nouv., Euss. iv, 



[in Eussian], 

 Spongiologische Studien, Zeite. wiss. Zool., xxxii, 1879, 



p. 349, pis. xx xxiii. 

 SMITH (S. J.) and HAEGER (0.). Eeport on the Dredgings in the 



region of St. George's Banks in 1872, Trans. Connect. Acad. 



Sci., iii, 1874, p. 55, pi. vii. fig. 1. 

 MclNTOSH ("W. C.). Spongiadse of St. Andrew's, Ann. Nat. Hist., 



ser. 4, vol. xiii, 1874, p. 142. 



The Marine Invertebrates and Fishes of St. Andrew's, Edin- 

 burgh, 1875 [contains list often species]. 

 KELLER (C.). Eemarks on three layers in Sponges, Verb. Naturf. 



Gesells., Zurich, 1875-6, p. 68. 



