Lid of Sponges Described by H. J. Carter. 37 



biological character — the first " On tlie Position of the 

 Ampullaceoiis Sac and the Function of the Water Canal- 

 System in the Spongida ;"* and the second, " On the 

 Reproductive Elements of the Spongida."f The latter was 

 his lait sponge ]:)aper in the Annals and Magazine of Natural 

 History, in which he had now been pnblishing for 41 years. 

 It was succeeded by his report on the sponges of tlie Mergui 

 Archipelago, in tlie Joarmd of the Liimean Society of 

 London, I which, liowever, Mr. Carter informs me was 

 written so far back as 1883. 



As Mr. Carter has at length been obliged by the state of his 

 health to cease working at his favourite subject, and as we 

 shall probably have no more papers on sponges from this 

 indefatigable and able naturalist, it has occurred to me that 

 I might perhaps benefit other naturalists as well as myself 

 by the publication of a complete list of all the genera and 

 species which he has described. These are arranged in alpha- 

 betical order, with full references to the i[)laces where the 

 descriptions are to be found, and it is hoped that the list will 

 serve as an index to Mr. Carter's papers. 



The list of genera and species was compiled whilst I was 

 working in the Natural History Department of the British 

 Museum, and it contains 985 references, every one of which 

 was obtained from the original paper. Jn addition to the 

 species described for the first time by Mr. Carter himself, 

 which are distinguished by the presence of his name attached 

 to them, the list contains a number of his more important 

 references to the species of other authors. Care has been 

 taken to give all the names exactly in the form in which 

 they a[)pear in Mr. (Jarter's works, and although subsequent 

 research will j)robably necessitate considerable modification 

 in Mr. (barter's nomenclature, I have felt that it would be 

 out of place to attempt any such modification here. 



It may be of especial interest to Victorian Naturalists to 

 observe, that more than a quarter of the species and varieties 

 mentioned in the list are recorded by Mr. Cartel' from the 

 neighbourhood of Port Phillip Heads and Western Port. 



* A. M. N. H. Ser. 5. Vol. xix, p. 203. 

 t A. M. N. H. Ser. 5. Vol. xix, p. 350. 

 J Joiir. Linn. Sue. Vol. xxi, p. 61. 



