1- 



(t 



0. Nordgaard. 



Escharella labiata, Boeck. 

 PI. IV. figs. 25, 26, 31. 



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

 m. ; Svolvser Usui), on coal: Malangen, 100— 200 m., on Retepora 

 cellubsa: The Jokel Fiord IT. 80 in.: Breisund, 100 m., on Rete- 

 pora cellulom; The Porsanger Fiord. 200 m.; Svserholt (1894); 

 Mehavn (1894). 



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

 Labiata is different from abyssicola 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 ). 



Phi /la cteU 1 1 peristomata, n. sp. 

 PL V. figs. 28—31. 



The Jokel Fiord II, 80 m., oil Waldheimia. 



The genus Phylactella was started by Eincks, and it is cha- 



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



.Zooecia 



with the primary orifice more or less semicircular, the lower margin 

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

 nelled in front. No avicularia. Zoarium (in British species) in- 

 crusting." 



As belonging to the British fauna, Hincks mentions three 

 species, labrosa, collaris and eximia. < >f these, labrosa is stated to 

 have a porous front wall and a ..triplet' - of oral denticles. Collaris 

 has neither pores nor denticles, eximia is provided with marginal 

 pores. 



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

 on account of its unusually elevated peristome, suggested Phylactella. 

 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 (hy. 2 ( .i). Further, the peristome was 

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

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

 Jokel Fiord also had small avicularia with semicircular mandible 

 (tie-. :',()). On young zooeciea the avicularia are quite plainly seen 

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

 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 Fiord and the hitherto described Phylactella 

 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 (tig. 31) is similar in shape to that of Escha- 

 rella labiata (PI. IV, fig. 31), but it is much narrower. Below the 

 oral aperture, there is a swelling for the avicularian chamber, which 

 is connected with the surface by help of a few pores (hy. 28). 



4 



Eseharoides 1 ) jacJcsoni, Waters. 

 PI. in, fig. 19. 



Mucronella coccinia, Bidenkap, Bryzoen von Ost-Spitzbergen. Zool. 



Jahrb. B. 10, p. 024, pi. 25, figs. 5, 6. 

 Sinilliii jacksoni, Waters, Bryozoa from Franz Josef Land. Linn. 



Soc. Journ. Zoology, vol. 28, p. 87, pi. 12, tig. IS. 



l ) Cf. Norman, Notes on the Nat. )li>t. of East Finmark. Ann. Jin-'. Nat. 

 Hist., ser. 7. v.. I. 12. p. 117. 



The Jokel Fiord III, 100 in., on Terebratulina; Kvsenangen 

 II. 90 m., on stone and Waldheimia; Ino-ohavet, 300 m. 



I consider that there are good grounds for distinguishing this 

 form from E. coceinea, as Waters has done in the work above 

 mentioned. The descriptions which Bidenkap and Waters have 

 given of the jacksoni species, answer perfectly for the specimens 

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

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

 the fauna of Norway. 



Smittina 1 ) reticulata, Macgii-livbat. 

 Reine, 100 m.; Mortsund III, 100 m.: Henningsvser I. 150 m. 

 Lofoten is the hitherto known northern limit for this species. 



Smittina trispinosa, Johnston. 



(PI. V. rig. 35). 



Balstad I Lofoten). 



Smittina arctica, Norman. 

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

 Akad. Fdrh. 1867, Bihang, pp. 9, 73. pi. 24, tigs. 33—35 

 (not forma ntajuscula). 



1894. Smittia tin-tint. Norman (part.), A Month on the Trond- 

 hjern Fiord. Ann. Mag. Nat. Hist. ser. 6. vol. 13, p. 128. 



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

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

 pi. 1. hy. 2. 



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



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

 L903. Smittia arctica, Nordgaard. Die Bryozoen des westlichen 



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



Appellof) p. 90. pi. 1. li-s. HI. 17. 

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



Finmark. Ann. Mag. Nat. Hist., ser. 7. vol. 12. p. 121. 



-Moskensti'ommen. 90 m.. on shells; The Ostnes Fiord, 50 — 70 

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

 Hammerfest (1894); Breisund, 100m.: Svserholt (1894); The K.jolle 

 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 majuseula, 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 majuscula, n. sp. 



PI. IV, figs. 36—38. 



1S69. Escharella porifera, forma majuscula, Smitt. Ofvers. etc. 



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

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

 Nat. Hist., ser. (i. vol. 1, p. 225. pi. 14. tig. 2. 



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



