Miscellaneous. 91 



n. sp. ; Stylaster complanatus, n. sp. ; Errina glabra, n. sp. ; Errina 

 cochleata, n. sp. ; CryptheJia Peircei, u. sp. ; Distichopora sulcata, 

 n. sp. ; Heliopora? tubulata, n. sp. ; Heliopora ? carinata, n. sp. ; /sis ? 

 (base of stem) ; Sarcodictyon rugosum, n. sp. 



Hydro-ids : Thoa pulchella, n. sp. ; Tubidaria crinis, n. sp. Fora- 

 minifera : Layena striata, Mont., rare ; Nodosaria pijrula, D'O., 

 rare; Bentalina communis, D'O., rare ; D. (ayylutinans'?) ; Lingulina 

 carinata, D'O. ; Textidaria trochus, D'O., common, very large, also 

 abundant in sboaler water; T. ayylutinans, D'O., rare; Nbnionina 

 scapha, rare ; Nonionina umbilicatula, Montg., rare ; Cristellaria 

 crepidula, F. & M., rather common ; Orbiculina adunca, D'O., rare 

 and only in a worn state ; its proper habitat is in the littoral zone ; 

 Amphisteyina yibbosa, D'O., rare, and only young specimens ; it is 

 very common throughout the Gulf of Mexico in deep water ; Globi- 

 yerina rubra, D'O., very abundant, also in the Orbulina form ; Gl. 

 Dutertrei, D'O., common; Pullenia obliquiloculata, P. & J., rather 

 common ; Pullenia coarctata, n. sp., rather common ; Sphairoidina 

 dehiscens, P. & J., not common ; Rotalina cultrata, D'O., very 

 common ; Rot. trimcatulinoides, D'O., common ; Rot. Poeyi, D'O., 

 rather common ; Rotalina, two other species in single and imperfect 

 specimens ; Biloculina, sp. ; Triloculina Bronyniartiana, D'O., rare ; 

 Qui7iqueloculina bicostata, D'O., rare. 



Many of the specimens of Foraminifera are filled up with a yellow 

 mass, like the first stage of transformation into greensand ; but the 

 process seems to stop here. 



Of sponges quite a number were obtained, at least a dozen species, 

 which have not yet been determined. Some of the detached spicules 

 are remarkable for their size — one, for instance, of the slender rec- 

 tangulated sexradiate type of Bowerbank measuring more than half 

 an inch. 



The vegetable kingdom was represented in this dredging by a 

 single specimen of a minute alga, Centroceras clavidatum, Agardh, 

 which Harvey says was found abundantly at low-water mark at 

 Key West. In its branchlets was entangled a chain of a species 

 of Biddulphia. Other Diatoms are rather scarce and have not yet 

 been determined. We therefore find here, also, a confirmation of the 

 remark made in European seas, that vegetable fife does not extend 

 to depths as great as are reached by animals, and that, therefore, 

 the greater number of deep-sea animals must be carnivorous. 



The dredge contained also a number of nodules of a very porous 

 limestone, similar in colour and texture to the limestone forming 

 the range of low hills along the shore of Cuba, but composed appa- 

 rently of the remains of the same animals which were found living. 

 Thus our Deltocyathus, Caryophyllia, the various Pteropods were 

 recognized in the stone, and found also in various stages of fossiliza- 

 tion. The interstices between the larger forms are generally filled 

 up with Foraminifera. 



On May 25th the dredge was sent down in 350 fathoms, outside 

 of the locality occupied on the 24th and 29th. It brought up only 

 a few dead corals — Caryophyllia formosa, Deltocyathus Ayassizii, 

 Diplohelia profunda, the latter in numerous specimens, — also a 



