170 



O. Nordgaard. 



Escharella labiata, Boeck. 

 Pl. IV, figs. 25, 26, 31. 



The Beier Fiord, 50—150 m.; The Kirk Fiord III, 70—80 

 m. ; Svolvær (1894), on coal; Malangen, 100— 200 m., on Betepora 

 cdlulosa: The Jøkel Fiord 11, SO m.; Breisund, 100 m., on Bek- 

 2Jora cellulofsa: The Porsanger Fiord, 200 m.; Sværholt (1894); 

 Mehavn (1894). 



In this species the basis of the ooeeium is perforated (fig. 26). 

 Lahiata is different from ahyssicola in that it has several rows of 

 marginal pores (fig. 25). 



The Norwegian species of this genus can fairly easily be dis- 

 tinguished by the help of the oral denticle, as this varies both in 

 form and size in the species which I have had an opportunity of 

 examining (figs. 27- 31). 



Phjilurtclbi perisfonidta. n. sp. 

 PI. V. tiu>-. 28— .SI. 



The Jokel Fiord II, 80 m., on Wahlheimia. 



The genus Phylaciella was started by Hincks, and it is cha- 

 racterized as follows in the Brit. Mar. Pol. (p. 356): — „Zooeeia 

 with the primary orifice more or less semicirculai-, the lower margin 

 usually dentate; peristome much elevated, not produced or chan- 

 nelled in front. No avicularia. Zoai'ium (in British species) in- 

 crusting." 



As belonging to the British fauna, Hixcks mentions three 

 species, lahrosa, collaris and eximki. Of these, lahrosa is stated to 

 have a porous front wall and a «triplet" of oral denticles. Collaris 

 has neither pores nor denticles, cxiinia is provided with marginal 

 poi'es. 



On Wahlheiiiiia from the Jokel Fiord, a form was found which, 

 on account of its unusually elevated peristome, suggested FhylacteUa. 

 On most of zooecia there was a single row of marginal pores, and 

 it corresponded so far to eximia (fig. 28), but differed from it in 

 having quite smooth oociea (fig. 29). Further, the peristome was 

 elevated to the same height and thus was not provided with lateral, 

 triangular lobes as is the case in exhniu. The specimen from the 

 Jokel Fiord also had small avicularia with semicircular mandible 

 (fig. 30). On young zooeciea the avicularia are quite plainly seen 

 (fig. 29), but they are not so easily seen on older individuals wliich 

 have the large collar below the oral aperture. 



According to the diagnosis of the genus made by Hincks, 

 there should be no avicularia, but as the resemblance between the 

 species from the Jokel Fioitl and the hitherto described PhylacteUa 

 species is striking in other respects, it is, I think, most practical 

 to extend the limits of the genus to include also those species which 

 have avicularia. 



The oral denticle (fig. 31) is similar in shape to that of Escha- 

 rella lahiata (PL IV, fig. 31), but it is much narrower. Below the 

 oial apei'ture, tliere is a swelling for the avicularian chamber, which 

 is connected wilii the surface by help of a few pores (fig. 28). 



Escharoides'^) jadsoni, Wateks. 



PI. Ill, fig. li». 



Muci-onella coceinia, Bidenkap, Bryzoen von Ost-8pitzbei-gen. Zool. 



Jahrb. B. 10, p. 624, pi. 25, figs. 5, 6. 

 Smittia jaehoni. Waters, Bryozoa from Franz Josef Land. Linn. 

 Soc. Journ. Zoology, vol. 28, p. 87, pi. 12, lig. 18. 



1) Cf. Norman, N, 

 ser. 7, vol. 12. p. 



Nat. Hist, of East Finmark. Ann. Mag. Nat. 



The Jokel Fiord III, 100 m., on Terebratulina: Kvænangen 

 II, 90 m., on stone and Waldheimia; Ingøhavet, 300 m. 



I considei- that there are good grounds for distinguishing this 

 form from E. cocci nca, as VVatees has done in the work above 

 mentioned. The descriptions which? Bidexkap and Waters have 

 given of the jaclsoni species, answer perfectly for the specimens 

 I have found. In jaclsoni the zooecia are much larger, the mand- 

 ible too is rather different in shape (figs. 18, 19). It is new to 

 the fauna of Norway. 



ISmittina^) reticulata, Macgilltvray. 

 Reine, 100 m.; Mortsund III, 100 m.; Henningsvær I, 150 m. 

 Lofoten is the hitherto known northei'u limit for this species. 



Smittina trispinosa, Johnston. 

 (PI. V, fig. 35). 

 Bålstad (Lofoten). 



Smittinu arctica. Norman. 

 1869. Escharella porifera, forma niinuseula, Smitt, Ofvers. Vet. 

 Akad. FOrh. 1867, Bihang, pp. 9, 73, pi. 24, figs. 33—35 

 (not forma majuscula). 



1894. Smittia arctica, Noeman (part.), A Month on the Trond- 

 hjem Fiord. Ann. Mag. Nat. Hist. ser. G, vol. 13, p. 128. 



1895. Smittia arctica, Nordgaard, System, fort, over Norges marine 

 Polyzoa. Bergens Mus. Aarb., 1894— 95, nr. 2, p. 27, 

 pl. 1, fig. 2. 



1900. Smittia landshororii. var., Waters, Bryozoa from Franz 



Josef Land. Journ. Linn. Soc. Zool., vol. 28, pi. 12. fig. 7. 

 1903. Smittia arctica, Nordgaard. Die Bryozoen des westhchen 



Norwegens. Die Meeresfauna von Bergen, (ed. by. Dr. 



Appeelof) p. 90, pi. 1, figs. 16, 17. 

 1903. Smittina arctica, Norman. Notes on the Nat. Hist, of East 



Finmark. Ann. Mai;-. Nat. Hist., ser. 7, vol. 12. p. 121. 



Moskenstrommen, 90 m., on shells; The Ostnes Fiord, 50—70 

 m., on stone; Malangen, 100 — 200 m.; Kvænangen II, 90 m.; 

 Hammerfest (1894); Breisund, 100 m.: Sværholt (1894); The Kjølle 

 Fiord (1894); Nordkyn (1894). 



In the work above quoted, Norman has entered Smitt's forms 

 of Escharella -porifera (f. minuscula and majuscula) under the name 

 of Smittia arctica. During my excursion to Finmark in 1894, I 

 found numerous specimens of f. minuscula, of which I also found 

 some in the Lyse Fiord (59" 3' N.) in the winter of 1902. In the 

 course of investigations made in 1899 in northern Norway, I found 

 it at several places, and I also succeeded in one locality in obtaining 

 forma majuscula, on a stone in the Porsanger Fiord, 200 m. A 

 closer examination of the latter species has led to the conclusion 

 that it must be considered to be a distinct one. It is doubtless 

 most correct to retain Norman's designation, arctica, but this term 

 will now have a different meaning to that originally given to it by 

 Norman, as it will now only apply to forma minuscula, Smitt. 



Smittina )iiujiisciil((. n. sp. 



PI. IV, figs. 3ti— 38. 



1869. Escharella porifera, forma majuscula, Smitt. Ofvers. etc. 



1867, Bihang, pp. 9, 74, pL 24, figs. 36—38. 

 1888. Smittia landshororii, forma porifera, Hincks. Ann. Mag. 

 Nat. Hist., ser. 6, vol. 1, p. 225, pi. 14, fig. 2. 



1) Cfr. Norman. (1. c. p. 120). 



