439 



a — b— c. animal superne, a latere dextro et inferne exhi- 

 bitum; d. area branchialis cum brauchiis et orificio anali 

 fortius aucta; e. spiculæ nonnullæ cutis fortiter auctæ. 

 Fig. 4. Triopa lacer, Miill. (F.)- 



a — b. animal superne et a latere dextro exhibitura ; c. 

 pars antica corporis inferne visa, velum ostendens ; d. spi- 

 culæ nonnullæ cutis fortiter auctæ. 



Tab. 28. 



Fig. 1. Idalia pidchella, A. & H. CL.). 



a — b. animal superne et a latere dextro exhibitum; c. spi- 

 culæ nonnullæ cutis valde auctæ. 



— 3. Dendronotus velifei\ n. ( K). 



Animal superne exhibitum, magnitudine naturali. 



— 3. Hero formosa^ Lov. {!-'■)• 



a. animal superne exhibitum ; b. pars antica corporis in- 

 ferne visa velum ostendens; c. branchia una superne visa; 

 d. animal a latere dextro exhibitum. 



— 4. Coryphella salmnnacea, Couth. (L.). 



a. animal superne exhibitum ; b. processus unus branchi- 

 alis fortius auctus. 



— 5. Coryphella verrucosa^ M. Sårs. ( V.). 



a. animal superne exhibitum; b. processus unus bran- 

 chialis. 



— 6. Guthona aurantiaca, A. & H. (L.). 



a. animal superne exhibitum ; b. processus duo bx'an- 

 chiales. 



Tab. 29. 



Fig. 1. Limacina helicina, Phipps. (Mare insulæ Jan Mayen alluens). 

 a — b- — c. testa a vertice, inferne et a basi exhibita ; c?. pars 

 testæ fortius aucta; e. operculum; /—g — h. animal superne, 

 a latere sinistro et a fronte exhibitum. 



— 2. Spirialis balea, Møll. (Grønlandia). 



a — b — c. testa inferne, superne et a basi exhibita •, c?. oper- 

 culum; e. pars testæ sculpturam ostendens. 



— 3. Spirialis retroversus, Flemg. (L.). 



a — b — c. testa inferne, a basi et a vertice exhibita ; d. 



