Svenska vetenskapsakademien handlingar . terals without denticles. KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 41. NIO 4. 101 Idalia pulchella Ålder & Hancock var. fusca n. n. Pl. II fig. 19. Mantle broad as in the tyj)e, but the appendages 6 on each side, simple and ofuniform length; gills 10; colour dark-brovvnish, lighter on the sides. L. 13 mm. Loven describes this form (1846) under the name of I. cirrigera Phil. Both thenumber of the gills and the breadth of the mantle as well as the form of the radula,which is reproduced by Loven in 1847, show confirmity to I. pulchella. Ålder &Hancock (
Svenska vetenskapsakademien handlingar . terals without denticles. KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 41. NIO 4. 101 Idalia pulchella Ålder & Hancock var. fusca n. n. Pl. II fig. 19. Mantle broad as in the tyj)e, but the appendages 6 on each side, simple and ofuniform length; gills 10; colour dark-brovvnish, lighter on the sides. L. 13 mm. Loven describes this form (1846) under the name of I. cirrigera Phil. Both thenumber of the gills and the breadth of the mantle as well as the form of the radula,which is reproduced by Loven in 1847, show confirmity to I. pulchella. Ålder &Hancock (1855) supposed it to be a variety of I. aspersa. Cumanotus ^ laticeps n. sp. Text-fiffs -4. Body of a whitish colour, elongated, rather broad, especially in front. Heasu-rements of the largest specimen: length 13 mm.; breadth över the back (behind therhinophores) 4 mm,, breadth of the foot 6 mm., of the head o mm.; height 4 mm.;length of the rhinophores 4,5 mm. The three remaining specimens varied in length from 9,5 to 12
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