rOEAMINIFERA OP THE KEEIMBA AECHIPELAGO. 365 



Station 65 (25 Feb., 1875), Mauritius, 137 metres. 

 66 ., „ „ 411 „ 



67, 20° 35' S., 57° 17' E., 347 „ 



68, off Mauritius, 4801 



69, 24° 41' 2" S., 57° 49' 9" E., 4737 „ 

 71 (24 March, 1875), 32° 11' 3" S., 59° 41' E., 4618 metres. 



From this point the ' Gazelle ' made a long series of Stations across the Indian 

 Ocean to South Australia, and we have made a point of citing Egger's records in our 

 synonymies. 



A few fossil Foraminifera were found in the material from Station XIII. (Pemba 

 Bay). They are apparently from at least two different geological formations, a few 

 being pyritised fossils probably of Tertiary origin, but the majority of Cretaceous age. 

 These species have not been included in the general paper, but will be listed for 

 purposes of reference in an Appendix. We are at present not in the position to 

 say whether the specimens are derived from local denudation, or whether their 

 occurrence is due to ballast-sand thrown overboard in Pemba Harbour, Pemba being 

 an important trading centre. 



Table op Stations and Desckiption op Material. 

 Station I. (Label) " Tunghi Bay. Bottom : — Sand, Mud, and Shell. Depth 

 5-8 fms." 



A rather dark grey sand, composed of coarse and fine grains ; the finer sand ver}' dark. Bulk of 

 material after washing : — 219 cc. 



Coarse material .... 43 cc. (Orhitolites, Operculina, and usual large forms). 

 Heavy ,, .... 153 cc. 

 Elutriated „ .... 17 cc. 

 Floated „ .... 6 cc. 



Tunghi Bay lies between Cape Delgado and Ras * Afunji. It commamicates with 

 the sea by Tunghi Pass (between the Islands) and with the south by Ilongwi Channel. 

 Many rare arenaceous forms attached to shell-fragments, etc., in the coarse siftino-s. 

 Species and varieties identified =253. 



Station II A. (Label) " Maiyapa Bay. Bottom: — Sand, Mud, and Coral. Depth 

 10 fms." 



A dark gre}' sharp siliceons sand. About 40 per cent, coarser sand-grains and shell-debris. Bulk of 

 material after washing : — 319'5 cc. 



Coarse material .... 2,50 cc. (Shells, coral-fragments, Orhitolites, etc.). 

 Heavy ,, .... 45 ca. (Opeixulina, Textularia, etc.). 



Elutriated „ .... 20 cc. 

 Floated „ .... 4-5 cc. 



* lias = Cape (Arabic). 



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