288 AUSTRALIAN MALACOSTBACA. 



495. Sphaeroma verrucauda. 



Sphceroma verrucauda, List Crust. Brit. Mus., p. 102 (1847) ; 

 Dana, U.S. Explor. Exped., Crust., ii., p. 779, pi. Hi., fig. 6 

 (1853) ; Miers, Cat. Crust. N.Z., p. Ill (1876). 



Oblong-oval, convex, somewhat tomentose. Head very broad, 

 transverse, with a small median frontal lobe between the bases 

 of the antenna? as in S. gigas. Segments of the body short, 

 faintly rugose on the sides. Abdomen very broad, finely 

 granulous ; terminal segment with the sides convergent, straight, 

 truncate posteriorly, with three short longitudinal lines of large 

 granules on its upper surface. Caudal appendages short, rami 

 subequal, acute, the outer ramus serrated on its outer margin. 

 Length about 1 in. [M.] 



Port Jackson ; Hobson's Bay. Found also in New Zealand. 



49G. Sphseroma (?) anomala. A-M. 



Sphceroma (?) anomala, Haswell, 1. c, p. 473, pi. xvi., fig. 4. 



Body smooth, strongly convex, frontal region prominent ; last 

 segment of the thorax longer than the preceding five, produced 

 in the middle line behind to an obtuse angle ; first abdominal 

 segment with a broad, shallow excavation in its posterior border, 

 defined on cither side by a minute spinous process. Last 

 abdominal segment with a transverse row of one central, larger, 

 and two lateral, smaller tubercles ; apex sub-acute, armed below 

 on either side with a minute acute process. Rami of abdominal 

 appendages ovate, sub-acute. Length vV in. 



Port Jackson. 



This species approaches Isocladus in the form of the last 

 segment of the thorax, and Cgmodocea in that of the last 

 segment of the abdomen. 



j t> x 



497. Sphseroma laevis. 



Sphceroma Icevis, Haswell, 1. c, p. 473, pi. xvi., fig. 5. 



Thorax nearly as broad as long, the first segment longer than 

 the others, all the segments grooved and bent slightly backwards 

 laterally the lateral and posterior extremities of the segments 

 sub-acute. Terminal segment of the abdomen smooth, convex, 

 rounded distally. Caudal appendages narrow-lanceolate, blunt. 

 Length yV in. 



Bondi, near Sydney, on sandy beach. 



