372 



Proceedings of the Lloijal Irish Acadciiuj. 



Genus Micella. 



This genus is entirely restricted to the Pacific Ocean. 



Let us now illustrate " associations of species " in difl'erent localities. 



(a) Laccadives, 



(b) Maldives, . 



(c) Ceylon, 



(d) Audauians, 



(«) Mergui, 

 (/) N.-K Australia, . 

 (y) Bourbon-Mauritius, 

 (/() Cape of Good Hope, 



S. aurantiam, S. quadnlincata, and 



N. rdiadata. 

 J. juncca, S. furcata. 

 J. (jeiniiuuxa, J. tnliihcata, S. aurantiaca, 



S. ccyhnoisis, S. furcata. 

 J. juncca, J. raccmosa. S. hicksoni, 



S. verrucosa, S. anomala, S. anda- 



inaiunsis, S. ramosa. 

 J. juncca, J. gcmmacca, S. furcata. 

 J. juncca, J. gcmmacca. 

 J. juncca, J. gcmmacca, N. diclwtoma. 

 S. Jlagcllum, S. furcata. 



JReftrences to various large Collections of Junccllids. 



" Challenger " Collection. 



This collection wia^ made by H.M.S. " Cliallenger," during lier cruise 

 round the world, 187.'i-76. The specimens are deposited in the British 

 Museum, and were described by Wright and Studer in the Zoological Report 

 of the " Challenger" Collections, vol. x.xxi., pp. 15:J-1S1. 



.Tviiri-lfn junrca, 

 J\i nflln jii nrcn, 

 JuncfUn gcmmncta, 

 Juncflla gcmmacca, 

 Junrrlln raccmosn, 

 Sciifcarin mactdata, 

 Scirpcaria profunda, 

 Scirpearia profunda, 

 Scirpcaria profundn, 

 Nicella moniliforme. 



DESCRIBED AS 



.Tuiicr/h juncca, var. alha, p. 158. 

 .Tvnrrlln harhadcnsis, p. 159. 

 Juncella gcmmacca, p. 158. 

 Ellisdla maculata (pars), p. 160. 

 JuncfUa raccmosa, p. 150. 

 Ellivlla maculata (pars), p. 160. 

 Scirpcareila profunda, p. 155. 

 Scirpearella gracilis, p. 156. 

 Scirpcarella rubra, p. 157. 

 Scirpearella monUiforme, p. 1-56. 



