102 



Fig. 71. Aglaophenia Suensonii Jdlm. Corbula, kurzer Typus. 



Fig. 72. Hydrotheken 



von der Seite. 



(I. Fig. 75.) 



Fig. 73. Hydrothek von oben. (I. Fig. 76.) Fig. 74. Junge Corbula. (I. Fig. 77.) 



Gonosome. Gonothecae elliptical, 6 or 7 metamorphosed branches surrounding them 

 and forming a completely closed corbula, with a row of short, strong, tubulär nemato- 

 phores on the upper border of each component leaf. 



Colour. Perisarc deep yellowish brown. 



Locality. West of'Misaki, 5 m; also Kominato, Bo.sliu; Wagu, Shisbu; (Sagami Sea). — 

 Wagumura (Shima). 



Date. Corbulae found in April at Kominato and in August at Wagu. 



This species was collected at Misaki for the first time in January, but there were 

 no reproductive organs. In this country it has been collected, so far as I know, aside 



