KONGL. vSV. VKT. AKADEMIENS HANl)LIN(i AK. HANI). 27. N:() 3. 5!) 



Marine: Galapagos Islands! Hungary, fossil (Pant.). 



The linear markings on the area are of no specific value, as they occur also in other 

 varieties of N. Hcniicdi/i. Such a form with 11 striic and puiicta in 0,01 mm. 1 have found in 

 the Bory deposit (Hungary), this and another form with 12 strife and 14 puncta in (),oi mm. 

 from Nossi Be (Brun Coll.) may be associeted with N. riufosd Jan. Ga/. Exp. IM. XV f. 11 and 

 belong to the Nac. Hc)>ncdyi-tyi)e. 



Var.? difficilis Pant. (1893). — L. (),o467; B. 0,().i mm. Strijii l(i in 0,(ii mm. (punctation 

 not figured). — N. difficilis Pant. Ill PI. XLI f. 5(i(). 



Marine: fossil ->Nyermeg3^' (Pant.). 



Var. caliginosa Cl. a. Grove (1891). — L. Cos; B. 0,oh mm. Marginal strise and their 

 puncta 18 in 0,oi mm. Axial stria' 21 in 0,oi mm. Areas large, covered with iri-egularly scat- 

 tered dots and with a large punctum on one side of the central nodule. — Uiatomiste I p. 67 

 PI. X f. 9. 



Marine: Macassar Straits (Grove Coll.)! 



Var. constricta Petit (1877). — V. slightly constricted in the middle. — Petit Campbell 

 I. D. p. 24 PI. IV f. 13. 



Marine: Campbells Island. 



Var. cuneafa Grun. (1874). — V. with cuneate ends. L. 0,o83; B. 0,04 5 mm. Strife 1) in 

 0,0 1 mm. — A. S. Atl. Ill f. 4. 



Marine: Campeachy Bay (Atl.). 



Var. miyiuta Cl. (ISSl). — L. 0,027 to 0,u.'); B. O.oih to 0,027 mm. Stria* 8 or 10 (margi- 

 nal) to 9 or 14 (axial) in 0,oi mm. Puncta 13 to 17 in 0,oi ram. Areas narrow. — N. R. D. 

 p. 7 PI. I f. 15. 



Marine: Galapagos Islands! Tahiti! 



Var. tahitensis Cl. (1881). — L. 0,04 to 0,o4.'i; B. 0,oi7 to 0,023 mm. Striae 13 or 14 

 (marginal) to 15 or 17 (axial) in 0,oi mm. not distinctly punctate. Areas narrow. — N. R. D. 

 p. 8 PI. I f. 14. 



Marine: Adriatic! Tahiti! Sandwich Islands! 



19. N. copiosa A. S. (1888). — V. elliptical. L. 0,i to 0,17; B. 0,o46 to 0,0 9 mm. Lateral 

 areas luneate, with convergent interior margins and with an elongated spot of short striae in the 

 middle. Marginal stria? and their piincta 7 to 10 in 0,oi mm. Axial striae of fi to 7 puncta. — 

 Atl. CXXIX f. 6. 



Marine: Mexillones Guano! 



This form might be regarded as a variety of N. Hennedyi (nearest to the var. manca). 



20. N. illustra Pant. (1892). — V. elliptical. L. 0,i.i; B. 0,05.5 mm. Lateral areas broad, 

 lunate, smooth, but with a longitudinal band of coarsely punctate striae in the middle. Marginal 

 striae 14, their puncta 27 to 28 in O.oi mm. Axial band of stri;e moderately broad. — Pant. Ill 

 PI. II f. 17. N. Ypsilon Cl. Part I PI. IV f. 10. 



Marine: Bory, Hungary! 



This is a very distinct form, remarkable not only for the band of striae in the middle of 

 the area, but by its extremely finely punctate striae. 



21. N. Saiuli'iana Grun. (1863). — V. elliptical. L. 0,i to 0,12; B. 0,ofi toO,o7 mm. Areas 

 large, semielliptical, with dots, disposed in irregularly curved rows, and in the middle a longitu- 

 dinal band of punctate stria'. Marginal striae 14 to 16 and their puncta 13 to 17 in O.oi mm. 

 Axial stria; of 3 to 8 puncta. - Verb. 1863 p. 153 PI. IV f. 5. N. rimosa Grev. T. M. S. XIV 

 p. 129 PI. XII f. 25 (1866). 



Marine: Adriatic ((Trun.), Red Sea (Deby Coll.)! 



