Natural HistorTj of East Finmarh, 119 



Avicularia I have seen sparingly developed, but only on 

 Spitsbergen specimens and on one side of tlie zooecium, as 

 figured by Smitt. Nordgaard^ however, illustrates a zooecium 

 with two avicularia, which were developed on a specimen 

 from a '' place unknown/^ 



Nordgaard has referred the Mucronella 2)r(elucida of 

 Hincks '^ with a ? to this species. With respect to the Queen 

 Charlotte Islands type specimens I think that there may be 

 some doubt, but I am very much inclined to refer the 

 St. Lawrence form to M. sincera. I have a specimen from 

 that locality the zooecia of which exactly correspond with the 

 left-hand zooecium of Hincks's illustration ; but the oral lip 

 processes are none of them truncate as drawn on the other 

 three ooecia. I consider my specimen to bo 31. prcelucida (of 

 St. Lawrence), a variety of M. sincera in which the zooecia 

 are shorter than usual. 



59. "Mucronella" labiata (Boeck). 



1867. Discopora coccinea, forma labiata, Boeck MS., Suiitt, " Kiitisk 



Furteckiiing-, &c." p. 27, pi. xxvii. tig. 176. 

 1878. Discopora labiata, Smitt, GEtVers. Kougl. Vet.-Akad. Forhaud. 



p. 23. 

 1880. Phtjlactella (?) (jrandis, Ilincks, " Ilydrozoaand Polyzoa Barents 



Sea," Ann. & Mag. Nat. Hist. ser. 5, vol. vi. p. 280, pi. xv. tigs. 4, 5. 

 1887. Mucronella labiata, Leviu,3en, Dijmplnia-Togtets zool.-botan. 



Udbytte, p. 323. 

 1000. Fhijlactella (?) labiata, Water.s, "Bryozoa from Franz-Josef 



Land," Jouru. Linn. Soc, Zool. vol. xxviii. p. 90, pi. xii. tigs. 3, 4 



(illustrations of the larva). 



Varanger Fiord, in 120-150 fathoms, on shell of As t arte, 

 and Nordgaard has kindly sent me a specimen from Svser- 

 holt. This last specimen is developed on Hurnera lichenoides, 

 a habitat which the species seems especially to affect, as fine 

 examples were dredged upon it in 175 fathoms off Hare 

 Island, Disco, Greenlaiul, by the ' Valorous ' in 1875. 



It would seem that Smitt at first included more than one 

 form under the term "forma labiata," since a specimen 

 received from him just after he had finished his work is 

 undoubtedly a variety of Escliarella ventricosa with produced 

 lip ; but I think that there can be no doubt that his figure 

 176 represents the species which was subsequently named by 

 Hincks Phylactella (?) grandis. 



It would be quite possible that Escliarella ahijssicula might 

 be mistaken for this species. There is a very general resem- 



* "Polyzoa Queen Charlotte Ishinds," Ann. & Mag. Nat. Hist. ser. o, 

 vol. xiii. p. 26, pi. iv. fig. 1 ; and " Polyzoa St. Lawrence," Ann. & Mag. 

 Nat. Hist. ser. 6, vol. i. p. 225, pi. xv. tig. 3. 



