492 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



Occurrence. — 



D. 5192. Jilantaguan Island, off northern Cebu Island; 11° 09' 



15" N.j 123° 50' E.; 32 fathoms; green sand. 

 D. 5212. Panalangan Point, east of Masbate Island; 12° 04' 15" 



N.; 124° 04' 36" E.; 108 fathoms; gy. S., M. 

 D. 5213. Destacado Island, east of Masbate Island; 12° 15' N.; 



123° 57' 30" E.; 80 fathoms; S. M. Sh. (common). 

 D. 5219. Mompog Island, Marinduque; 13° 21' N.; 122° 18' 



45" E.; 530 fathoms; gn. M.; 10.4° C. 

 D. 5230. Limasaua Island; 10° 01' 50" N.; 124° 42' 30" E.; 



118 fathoms; gy. S.; 14.3° C. (very common). 

 Cotypes.—C&t. Nos. 8293, 8294, U.S.N.M. 



TABLE FOR THE DETERMINATION OF CONE3CHARELLINA 



IZoarium with salient radial costules 2 



Zooecia arranged in radial rows 6 



Zooecia arranged in quincunx 10 



_ (Apertures in the middle of the costule 3 



' [Apertures on the side of the costule 5 



[Costules very salient radiata. 



' [Costules little salient 4 



Base little porous jucunda. 



Base very porous milleporacea. 



Base very porous catella. 



Base little porous transversa. 



Base convex 7 



Base concave 8 



Zoarium small, scarcely higher than wide with a diameter less than 



2 mm delicatula. 



Zoarium high, higher than wide, with basal diameter more than 



2 mm; small aperture parvipora. 



(Interzooecial avicularia very close together and almost in straight 

 lines concava. 

 Interzooecial avicularia, alternate and scattered 9 



J Pad around the aperture, large proximal pore lunata. 



[Zooecia smooth, very small proximal pore, aperture elongated, grandiporosa. 



[Zoarium large, more than 3 mm. high elongata. 



[Zoarium small, less than 3 mm. high 11 



(Zoarium somewhat higher than wide; zooecia arranged in oblique 

 rows obliqua. 

 Zoarium transverse, zooecia little numerous breviconica. 



The other known species of the genus are as follows: 



Conescharellina angustata D'Orbigny, 1852 Basilan. 



Conescharellina dilatata D'Orbigny, 1852 Malacca. 



Conescharellina philippinensis Busk, 1854 Australia. 



Conescharellina angulopora T. Woods, 1880 Australia. 



Conescharellina cancellala Busk, 1854 Australia. 



Conescharellina conica Haswell, 1880 (=C. angulopora) Australia. 



Conescharellina eocena Neviani, 1900 Eocene of Italy. 



Conescharellina crassa T. Woods (after Maplestone, 1910) Australia. 



Conescharellina depressa Haswell (after Maplestone, 1910) Australia. 



10. 



