112 Transactions. 



Section PLATYCOPA. 



Family Cythekellid^:. 



Genus Cytherella, Jones. 



Cytherella polita, G. S. Brady. 



Cytherella polita, Brady, 1868, Les Fonds de la Mer, p. 161, 

 pi. xix, figs. 5-7. Idem. 1880, Rep. Chall., Zool., pt. iii, 

 p. 172, pi. xliii, figs. 5 a-c ; pi. xliv, figs. 1 a-g. 



This species has been recorded by Brady from Port-au- 

 Prince, West Indies ; Wellington Harbour, New Zealand ; 

 and from the mouth of the Rio de la Plata. 



Two separate valves oi a small and large individual re- 

 spectively are now recorded from Great Barrier Island, 110 

 fathoms. 



Cytherella pulchra, G. S. Brady. 



Cytherella pulchra, G. S. Brady, 1865. Trans. Zool. Soc, 

 vol. v, p. 361, pi. lvii, figs. 1 a-d. Idem, 1880, Rep. Chall., 

 Zool., pt. iii, p. 174, pi. xliv, figs. 3 a, b. 



This species has previously occurred at Bermudas, 435 

 fathoms; Port Jackson, Australia, 2-10 fathoms; west coast 

 of New Zealand, 150 fathoms ; and off Ascension Island, 420 

 fathoms. 



A typical example of this species was found in our sample 

 off Great Barrier Island. 



[Note. — Examples of all the species of Foraminif&ra and Ostracoda 

 referred to in this paper, as well as the types, are deposited in the 

 Colonial Museum, Wellington.] 



EXPLANATION OP PLATE III. 



Pig. 1. Planispirina sphcera, d'Orbigny sp. : a, lateral aspect of a speci- 

 men with labyrinthic aperture ; b, ditto, oral aspect, x 20. 

 Fig. 2. Brachysiphon corbuliformis, gen. et sp. nov. : a, oral aspect ; 



b, lateral aspect, x 30. 



Fig. 3. B. corbuliformis, gen. et sp. nov. Another specimen, aboral view. 



X 30. " 

 Fig. 4. Spiroplecta sagittula, Defr. sp., var. fistvlusa, Brady. Lateral 



aspect ; to show senile character of later chambers, like that of 



Textularia agglutinans, var. por recta, Brady, x 20. 

 Fig. 5. Nodosaria (Dentalina) obliqua, Linn, sp., var. vertebralis, Batsch 



var. x 10. 

 Fig. 6. N. (D.) filiformis, d'Orhigny. Specimen having pointed aboral 



end like N. (D.J elegans, d'Orbigny sp. x 20. 

 Fig. 7. Frond icularia reussi, Karrer. Lateral aspeci. x 20. 

 Fig. 8. Cytherideis hedleyi, sp. nov. : a, left valve; b, edge view of valve; 



c, end view, x 60. 



