96 Moll 
MOLLUSCOIDA. 
Lepralia (sensu ampliore) trispinosa (Johnst.), var., = Escharella 
jacotini, forma lamellosa (Smitt), porifera (Smitt), propinqua (Smitt, as 
Escharina)^ reticulato-punctata and radiatula, spp. nn., all from Iceland, 
Hincks, Ann. N. H. (4) xix. pp. 100-104, pi. x. figs. 1-7, 9-14, pi. xi. 
fig. 1. 
CELLEPOElPiK. 
Cellepora hilaminata, sp. n., Hincks, 1. c. p. Ill, pi. xi. figs. 6 & 7, 
Labrador ; G. ovata and plicata (Smitt), Iceland, and scabra (Smitt), 
Labrador, id. 1. c. pp. 106 & 106, pi. xi. figs. 3-5, and p. 110. 
RETBPOElDiE. 
llelepora wallichiana, sp. n. (Busk, MS.), = cellulosa^ forma notopackya^ 
var. elongata (Smitt), Iceland, Greenland, Spitzbergen, and Finmark ; 
id. 1. c. p. 107, pi. xi. figs. 9-13. 
CYCLOSTOMATA. 
Phalangella flabellaria (Johnst.). Development described by J. Barrois, 
1. c. pp. 67-88, pis. iii. & iv. Tuhulipora flahellaris (Johnst.) [the same] : 
specimens from Iceland described by Hincks, Ann. N. H. (4) xix. p. 109. 
CTENOSTOMATA. 
T. Hincks, Ann. N. H. (4) xx. pp. 629-632, proposes the following 
classification of the British species : — 
Group 1. Haley onellea (Ehrenberg). Zoarium fleshy ; zooecia deve- 
loped by budding from other zooecia. 
Group 2. Stolonifera (Ehlers) = Vesietdariidee (Johnst.). Zoarium 
horny or membranous; zooecia developed by budding from the 
internodes of a distinct stolon or stem. 
(a) Orthonemida (n.). Tentacles disposed in a perfect circle. 
(aa) With a gizzard. 
Fam. 1. Vesiculariidoii gen. Vesicularia^ Bower- 
banhia^ Valheria (part), Amalkia. 
(bb) Without a gizzard. 
Fam. 2. Farrellidw : gen. Farrella^ Avenella^ An- 
guinelld. 
Fam. 3. Triticellidoi : gen. Triticella (Dalyell), ? Hip- 
puraria (Busk). 
(h) Campylonemida (n.). Tentacles not forming a perfect 
circle, two of the nnmber being always everted. No 
gizzard. 
Fam. 1. Valkeriidce: gen. FaZ^ma (Flem.). 
Fam. 2. Mimosellidm : gen. Mimosella (Hincks). 
Vesicularia cuscuta (L.) and Serialaria lendigera (L,). Free larvas and 
metamorphosis described by J. Barrois, op. cit. pp. 199-209, pi. xi. ; the 
