58 Transactions. 



Localities. General type : Chatham Islands (A. Dendy). 



Var. (a) : Kermadec Islands (W. R. B. Oliver) ; Waitakerei River, 

 washed up on beach (W. R. B. Oliver) ; off Three Kings Islands (L. A 

 Borradaile). 



Lepas australis Darwin. 



Lepas australis Darwin, 1851. p. 89, pi. i, fig. 5 ; Hutton, 1879, 

 p. 329 : Gravel, 1905. p. 109, fig. 122 ; L. S. Jennings, 1915, 

 p. 285. 



Specific Diagnosis. — " Valves smooth, thin, brittle ; scuta with internal 

 umbonal teeth on both sides. Carina with upper part broad, flat ; much 

 constricted above the fork, which has wide, flat, thin, pointed prongs, with 

 the intermediate rim not reflexed. Filaments two on each side." (Darwin.) 



Localities. — New Plymouth beach (Mrs. B. D. Jennings) ; Sumner 

 (A. F. Barrell) ; New Brighton (G. E. Archey and L. S. Jennings) ; hull of 

 •' Terra Nova." Lyttelton Harbour (C. Chilton) ; Cape Campbell (T. 

 Mc Alpine). 



Lepas fascicularis Ellis and Solan der. 



Lepas fasciculari* Ellis and Solander, 1786, Zoophytes, Tab. xv, 

 fig. 5 ; Darwin. 1851, p. 92, pi. i, fig. 6 ; Hutton, 1879, p. 329 ; 

 Gravel, 1905, p. 105, fig. 116 ; Pilsbry, 1907, p. 81, pi. ix, fig. 6 ; 

 Chilton, 1911a, p. 572 ; Jennings, 1915, p. 286. 



Specific Diagnosis. — " Valves smooth, thin, transparent ; carina rect- 

 angularly bent, with the lower part expanded into a flat oblong disc. 

 Filaments, five on each side ; segments of the three posterior cirri with 

 triangular brushes of spines."' (Darwin.) 



Localities. — New Brighton (A. Dendy) ; Sunday Island, Kermadecs 

 (W. R. B. Oliver) ; Waitakerei River, washed tip on beach (W. R. B. Oliver). 



Lepas denticulata Gruvel, 1900. 



Lepas denticulata Gruvel, 1905, p. 106, fig. 118; Chilton, 1911a, 

 p. 571 ; Jennings, 1915, p. 286. 



Specific Diagnosis. — * w Capitulum avec cinq plaques tres serrees, de 

 couleur tres blanche et fortement pectinees. Carene terminee en fourche 

 a sa partie inferieure, chacune des branches portant, du cote pedonculaire, 

 deux pointes saillantes, l'interne plus longue que l'externe ; crete mediane 

 dorsale avex quatre fortes dents et une serie de plus petites entre les 

 premieres. Bord occluseur des scuta, convexe et fortement saillant an- 

 terieurement. Une dent a Tangle umbonal interne du scutum gauche. 

 Rien a droite. Pas d'appendices filamenteux." (Gruvel.) 



Locality. — Kermadecs (Captain Bollons, 1907). 



Conchoderma auritum (Linnaeus). 



Lspas aurita Linnaeus, 1767, Systema Naturae, ed. 12, p. 1110. 

 Conchoderm-a aurita Darwin, 1851, p. 141, pi. iii, fig. 4 ; Chilton, 

 1911c, p. 132 ; Jennings, 1915, p. 287. Conchoderma auritum, 

 Gruvel, 1905, p. 144, fig. 167 ; Pilsbry, 1907, p. 99, pi. ix, fig. 2 ; 

 Pilsbry, 1909, p. 71, pi. viii, figs. 5, 6, 7; Borradaile, 1916, 

 p. 132, and 1917, p. 230. 



