THE SYSTEM OF PHYLLOPHORIN^E. 



71 



Bell and A. intcrcédens (Lampert). 



1. Amphiey cites Japonicus Bell. 



(Pl. I., figs. 5 - 6 ; textfigs. 2 — 3). 

 Ampliicyclus japonicus Bell, 1884 [5], pp. 253—254. — Lampert, 1885 



[18], p. 181 — Title l, 1886 [46], p. 126. 

 Pseiidocucuiuis japonicus LUDWIG, 1887 [24], p. 1239. — AUGUSTIN, 



I9°8 [1], P- 29. 



Pscudocucuìuis japouica Ludwig, 1889 — '92 [26], p. 348. — Bedford, 

 1899 [4], pp. 844—845. 



Habitat. — Tsugaru Strait. Lat. 41 12' N., long. 140° 45' E., 43 

 fms., sand and mud : 2 specimens (Bell). 



Uraga Channel. Lat. 35 13' N., long. 139 44' E. (AUGUSTIN). 



Numa, Sagami Sea (Matsuwa-lighthouse-line, Mera out or not 

 quite out), 260 fms : a single specimen (K. MlTSUKURl & K. AOKI 

 coll.. Aug. 22, 1903. Sci. Coll., Spec. No. 1739). 



Northern part of Suruga Bay, 275 fms. : a single specimen 

 (K. AOKI coll., June 1, 1905. Sci. Coll., Spec. No. 1743). 



Tokyo market, probably from the Province of Echizen : 4 speci- 

 mens (S. Tanaka don., Feb. 15, 191 1. Sci. Coll., Spec. No. 1738). 



Size and form. — The single specimen from Sagami Sea (Pl. I., 

 fig. 5) is in fully extended state. Body slender, gradually tapering 

 at both ends. Length 5 1 mm. exclusive of tentacles ; diameter of the 

 thickest part 7 mm. The Suruga Bay specimen is also well extended : 

 length 45 mm. ; maximum diameter 1 \ mm. The remaining four 

 specimens are much contracted, though some of them have the 

 introvert protruded (Pl. I., fig. 6) : body cylindrical, bluntly ending at 

 both extremities, the largest measuring 48 mm. long and 1 1 mm. 

 thick. 



Color. — General perisome light brown to deep greyish brown ; 

 very lightly colored in distended parts. Pedicels of a light brown, 

 whitish at tip. Introvert and tentacles pure white. 



