BRYOZOA OF THE PHILIPPINE REGION 339 



D. 5145. Jolo Light, Jolo; 6° 04' 30" N.J 120° 59' 30" E.j 



23 fathoms; co. S., Sh. 

 D. 5151. Sirun Island, Sulu Archipelago; 5° 24' 40" N.J 120° 



27' 15" E.; 24 fathoms; co. S., Sh. 

 D. 5174. Jolo Light, Jolo; 6° 03' 45" N.; 120° 57' E.; 20 fath- 

 oms; crs. S. 

 D. 5179. Romblon Light, Romblon; 12° 38' 15" N.; 122° 12' 

 30" E.; 37 fathoms; hard S.; 24.6° C. 

 Geologic distribution. — Sannoisian of Styria (Reuss); Burdigalian of 

 Gard, France (Pergens); Helvetian of Touraine, France (Canu), of 

 Italy (Seguenza), Tortonian of Italy (Seguenza), of Austria Hungary 

 (Reuss); Zanclean of Italy (Seguenza); Plaisancian of Italy (Man- 

 zoni) ; Astian of Italy (Neviani, Seguenza, Cipolla) ; Pleistocene of Italy 

 (De Stefani, Seguenza, Neviani); Miocene of Australia (Waters, Mac- 

 Gillivray). 



Geographic distribution. — Although never veiy abundant, this 

 species has been observed from the poles to the Equator. Arctic 

 Ocean; Sea of Kara (349 m.), Spitsbergen (36-146 m.), Jean Mayen 

 (160-180 m.). Atlantic; Norway (65-97 m. up to 324-486 m.), 

 Denmark, Great Britain, English Channel, France, Gulf of Gascony 

 (135 m.). Mediterranean; Cette (30-70 m.), Corse (15-280 m.), 

 Adriatic, Aegean Sea. Pacific ; Calif ornia (18 m.), Japan (73-146 m.), 

 China (49 m.), Philippines, Indian Ocean; Mauritius. 

 Plesioty pes. —Cat. Nos. 8112, 8113, U.S.N.M. 



SMITTINA OPHIDIANA Waters, 1879, var. MARGINATA, new variety 



Plate 29, figs. 4, 5 

 Bibliography oj S. ophidiana. 



1879. Lepralia reticulata var. ophidiana Waters, Bryozoa Bay of Naples, 

 Annals and Magazine Natural History, ser. 5, vol. 3, p. 40, pi. 9, fig. 1. 



1903. Smittia ensifera Jullien and Calvet, Bryozoaircs des Campagnes des 

 Hirondellc, p. 102, pi. 12, fig. 4; p. 149, pi. 17, fig. 5. 



1907. Smittia ophidiana Calvet, Expidition scientifique Travaillcur et Talisman, 

 p. 433 (synonymy). 



1923. Smittia ensifera (Jullien) Canu and Bassler, North American Later Ter- 

 tiary and Quaternary Bryozoa, Bull. 125, U. S. National Museum, 

 p. 144, pi. 3, fig. 3. 



Measurements. — 



Peristomice ihp = 0.\5 mm. „ . 12/2 = 0.50-0.60 mm. 



(with rimule) \lp = 0.12 mm. eCla )Zz = 0.35-0.40 mm. 



Variations. — In the ensemble of characters, our specimens much 

 resemble the species of Waters, 1879; the same peristomice, the same 

 lyrula, the same frontal avicularium and the same ovicell. There 

 are however some small differences; the areolar pores are larger, the 

 micrometric dimensions are smaller and especially the zooecia are 

 clearly marginated by a thick and very salient thread. The latter 



