BRYOZOA OF THE PHILIPPINE REGION 483 



CONESCHARELLINA RADIATA, new species 



Plate 67, figs. 1-3 



Description. — The zoarium is conical, little elevated, more often 

 wider than high; the apex is very obtuse. The zooecia are arranged 

 in ver} T salient fascicles, 12 to 16 in number, and on which the peri- 

 stomes are alwa3 7 s adjacent. The aperture is elongated, oval, with a 

 small distal sinus; the peristome is thin and salient. At the bottom 

 of the furrows separating the fascicles there is a row of small scattered 

 poriform avicularia. The base is crenulated, quite convex, finel} 7 

 granulated, and decorated with large and small scattered pores*. 



Measurements. — Aperture \^ a = ' 07 mm - 



Ua = 0.05 mm. 



Biology. — Our specimens are rare; they were dredged from rather 



great depths. 



Occurrence. — 



D. 5574. Simaluc Island, north of Tawi Tawi; 5° 30' 45" N.; 



120° 07' 57" E.; 340 fathoms. 



D. 5579. Sibutu Island, Darvel Bay, Borneo; 4° 54' 15" N.; 



119° 09' 52" E.; 175 fathoms; fine S. Co. 



D. 5670. Chenoki Point, Macassar Strait; 1° 19' 00" S.; 118° 



43' 00" E.; 1,181 fathoms; gy. M.; 2.8° C. 



Cotypes.— Cat. No. 8275, U.S.N.M. 



CONESCHARELLINA JUCUNDA, new species 



Plate 67, figs. 12-14 



Description. — The zoarium is conical, small, almost as wide as 

 high; the apex is sharp or rounded. The zooecia form wide radial 

 costules separated by deep and narrow furrow r s. The aperture is 

 somewhat elongated with a distal sinus rounded and narrow; the 

 proximal pore is distinct and a little removed from the aperture. 

 Between the apertures of the same costule there are two small avicu- 

 laria symmetrically placed. The interzooecial avicularia are small, 

 close together, poriform and arranged almost in linear series at the 

 bottom of each furrow. The base is very little convex; it bears, 

 some widely scattered avicularia. It is entire or denticulated accord- 

 ing to the thickness of the costules. 



Measurements. — 



. \ha = 0.12 mm. „ . jh=1.5mm. 



Aperturei, n ^ Zoariumi, , _ 



Ua = 0.11 mm. u=1.5mm. 



Aijinities. — The base is not always as w y e figure it; most of the 



specimens die before their complete development; their base presents 



wide costules formed by the last zooecia radiating around a porous 



center. 



