ÖFVERSIGT AF K. VETENSK.-AKAD. FÖRHANDLINGAR 1 872, N:0 6. 27 
Long. 0,0014" = 35 u. Lat. 0,00086" = 21 u. Lat, isthmi 
0,00045" = 11 //. 
In insula Beeren Eiland. 
2. C. Botrytis Menegh. (Syn. p. 220; Hetero carp el la 
B. Bory in Diet. Class. p. 180). 
Individua majora ad C. tetraoplitalmum (Kiitz) Bréb. verru- 
culis obtusiuseulis quodammodo accedit, 
Long. 0,0028—32" — 70—80 g. Lat, 0,00217—24"= 51— 
60 g. Crass. 0,0016" = 40 g. 
In insul. Beeren Eiland et Spetsberg, ad Adventbay. 
3. C. conspersum Ralfs (Br. Desm. p. 101, t. XYI, f. 4). 
Long. 0,0033—35" = 82—87 Lat. 0,0025—7" = 63—68 g. 
Crass. 0,0016" = 40 g. Lat. isthmi 0,0010—11" = 25—28 
In insula Beeren Eiland. 
4. C. gemmiferum Bréb. (List, p. 301). 
Long. 0,0017—18" = 43-45 g. Lat. 0,0022—23" = 30—33 //. 
Crass. 0,00065" = 16 g. Lat. isthmi 0,0006 = 15 g. 
Perpauea specimina a me visa sunt, quse saltem cum speci- 
minibus nonnullis in Rab. Als. Eur. N:o 1585 consruunt. 
In insula Beeren Eiland. 
5. C. spetsberg ense n. sp. T ab. VI, f. 3. 
C. medioere, diametro fere duplo longius, ambitu erenato- 
verrucosum, ellipticum, medio modice constrictum, sinu lineari, e 
latere visum auguste ellipticum, medio levissime sinuato-constric- 
tum in utroque polo granulatum; semicellulae e basi truncata 
t 
sensim, sed modice, attenuatce apice rotundato profunde incism 
incisura extrorsum ampliata, angulis inferioribus rectis; e vertice 
visrn late ellipticse in utroque polo granulatav Membrana mar- 
ginem versus granulato-verrueulosa (verrucis interdum emargi- 
natis), in centro semicellucarum glabra, Crassitudo corporis fere 
triens, latitudo isthmi circiter triens diametri longitudinalis. 
Nuclei amylacei singuli. 
Long. 0,0024" = 60 g. Lat, 0,0013" = 33 g. Crass. 0,00095" 
= 23 g . Lat, isthmi 0,0008—9" = 20—23 g. Incisur. apic. 
0,0003" = 8 g. 
