REPORT ON THE TETRACTINELLIDA. 
349 
course the privilege of selecting his own type, and Schmidt simply postponed his selection ; 
no one in the meantime had assigned further species to the genus Leiodermatium, and no 
possible inconvenience can result from accepting Schmidt’s nomenclature. 
Suborder IT. ANOPLIA. 
Family I. Azoricid^. 
Genus 1. Azorica, Carter. 
Azorica chonellides, Ddderlein. 
Seliscofhon dionelleides, Doderlein, Zeitschr. f. wiss. Zool., Bd. xl. p. 62, pi. v.-vii., 1884. 
Sponge. — Ear-shaped, somewhat curved, free edge a regular semicircle, uniformly 
rounded ; attached by thin lobe-like expansions. Pores and oscules similar, small, 
dispersed ; pores on the outer convex surface placed much closer together than the 
oscules, which are confined to the inner surface. 
Spicules. — I. Megascleres. 1. Desma, epirabd straight or curved, cladose at one or 
both ends, densely and irregularly spined and tuberculate. 2. Oxea or Strongyloxea, 
long and slender, arranged in fibres, descending from the surface at right angles into the 
interior. 
Colour. — Greyish-white (but deciduous ?). Size, 60 mm. wide by 55 mm. high and 
7 mm. thick. 
Habitat. — Island of Enoshima, Bay of Sagami. 
Genus 3. Gastrophanella, 0. Schmidt. 
Azoricidse in which a single oscule leads into a long axial cloaca ; the excurrent and 
incurrent canals are arranged as in Siphonia. 
Gastrophanella implexa, 0. Schmidt. 
Gastrophanella implexa, O. Schmidt, Spong. Meerb. Mexico, p. 29, pi. i. fig. 7, pi. iii. fig. 8, 
1879. 
Sponge. — Elongated, pear-shaped or club-shaped, attached by an expanded irregular 
base ; oscule, single, situated at the summit, leading into a long narrow cloa,ca which 
extends throughout the axis of the sponge. Cloaca with a somewhat thick collen- 
chymatous wall, and numerous not very extended velar diaphragms. Excurrent canals, 
curving more or less parallel to the outer surface of the sponge, run longitudinally 
