KONGL. SV. VET. AKADEMIENS HANDLINGAK. IJANl) 26. N:() 2. 99 



Var. typica Cl. — V. not constricted. L. (),o85 to 0,19; Ji. 0,0.3 to 0,o.-) mm. Costaj 4 in 

 0,01 mm. — Nav. gemmaia (Ikev. Ed. N. Ph. J. X July 185!) p. 30 PI. IV f. 7. Nav. gemmata 

 var. biscriata Grun. Novara 100 PI. I A f. Kl. Kav. gemmata var. spcctahilis (tRUN. A. S. Atl. 

 VIII f. 38? Nav. Basilica Brun. D. e.speces n. p. 32 PL XV f. 14 (18<)])? Nav. pseHdogcmmata 

 Pant. Ill PI. XXIX f. 420 (1893). 



Marine: Grulf of Naples! Nossibe! South Sea (Van Heurck Coll.)! (ilalapagos Islands! Cam- 

 peachy Bay! West Indies! Fossil: Hungary (Pant.), Moravian Tegel! Nankoori! Californian 

 Gruano (Grev.). 



In the coll. of Prof. Brun I have seen a specimen from Sendai, which agrees with his Nav. 

 Basilica and is only a somewhat elliptical form of D. gcmniata. 



Var. minor Cl. — L. 0,09 to 0,i6; B. 0,027 to 0,o35 mm. Costai 5 in 0,oi mm. — A. S. Atl. 

 LXX f. 73. 



Marine: Balearic Islands! Madagascar! Colon (Dehy Coll.!). Jamaica (Atl.). 



Var. piDictata Cl. — L. 0,14; B. 0,045 mm. Costae 5 in 0,oi mm. Furrows with transverse 

 rows of large puncta. Costffi alternating at their interior ends with one or in the middle with 

 two large ocelli. 



Marine: S:n Pedro, Calif. (Kinker Coll.)! 



Var. spcctahilis Grun. (I860). — L. 0,062 to 0,17; B. 0,025 mm. Costse 3 to 5 in 0,oi mm. 

 continued across the furrows. — Nav. spectc(hilis Grun. Verh. 1860 p. 533 PI. Ill f. 11. Nav. 

 Griinoirii Rabh. F1. E. Alg. p. 203 (1864). 



Marine: Adriatic (Grun.), Snmbava (Kinker Coll.)! Fo.ssil: S:t Peter, Hungary. 



Var. oamarurnsis Cl. — V. slightly constricted. L. O.ie; B. O.04 mm. Horns of the central 

 nodule more distinct and distant. Furrows w'itli faint markings of the costic which become strong 

 along the horns. Costfe 5 in 0,o 1 mm. alternating near the furrows with two large ocelli. 



Marine: Oaraaru, New Zeeland, fossil! 



Var. madagascurcnsis Cl. — V. narrow, very slightly constricted. L. 0,13; B. 0,024 mm. 

 Horns distinct and somewhat distant. Furrows with two longitudinal rows of puncta along the 

 horns. Costff 6 in 0,oi mm. 



Marine: Taraatave (Kinker Coll.)! 



Var. pristio^jJwra Jan (1881). — V. distinctly constricted in the middle. L. O.i to 0,15; 

 B. 0,02.^ to 0,036 mm. Costai 5 to (5 in 0,oi mm. — Nav. pristiophora A. S. Atl. LXX f. 72. 



Marine: Morocco! Porto Seguro (Deby Coll.)! Leton Bank (Atl.). 



Forma minuta Cl. — L. 0,057; B. 0,oi5 mm. CostfE 7 in 0,oi mm. 



Marine: Macassar Straits! 



D. gcrnmata is very variable, and by the form madagascarensis nearly connected with 1). 

 contigua, which may perhaps be only corroded specimens of D. gemmata. 



76. 1). Szontaghii, Pant. (1886). — V. elliptic-linear, with broad, rounded ends. L. 0,o3 to 

 0,06; B. 0,0 10 to 0,022 mm. Central nodule large, quadrate; its horns distinct and distant from 

 the median line. Furrows narrow, linear, with a row of large puncta (spaces between the rudi- 

 mentary costiB). Costa', 5 in 0,oi mm, alternating with double rows of twice as close alveoli 

 (on corroded specimens alternating with single rows of larger pnncta). — Nav. Szont. Pant. I 

 p. 29 PL III f. 25. PL XXVIII f. 284. Icon. n. PL II f. 7. 



Marine: Sumbava (Kinker Coll.)! Hungary, fossil! 



77. D. Canipylodifsens Grun. (1875). — V. suborbicular. L. 0,o38 to 0,05; B. 0,026 to 

 0,03 mm. Central nodule large, quadrate, its horns strong, distant, and convergent in the middle. 

 Furrows broad, with faint costa;. Costte 4 in O.oi mm. alternating with double rows of faint 

 alveoli. — Nar. .sithorbicularis var. Nan]iooren.sis Grun. Novara p. 100 PL I A. f. 15 (18()7). Nav. 

 Campylod. Grun. A. S. Atl. VIII f. 9, 10, 12, LXX f. 64, 65. Cocconcis coelata Walker Arn. 

 M. J. II p. 234 PL X f. 5, 6 (1862)? 



