Monograph on
章节目录
共 33 段- From the peculiar curved position which the animal’s body oc
- _Thorax and Limbs._--The thorax is much compressed, and cons
- I will now proceed to a general description of the different
- The _Mandibles_ (Pl. X, figs. 1-5) have from two to ten stro
- _Olfactory Organs._--In the outer maxillæ, at their bases wh
- _Affinities._--Considering the close affinity between the se
- _Colours._--Calcareous valves already described. Edges of th
- _Carina_, broad, within deeply concave; edges sinuous, exter
- Valves, 3, 5, or 7, approximate: carina extending only to th
- _Affinities._--In the structure of the carina, and more espe
- _Carina_, very narrow throughout, concave within, much bowed
- [35] Under these nine generic names, the two common species
- _Filamentary Appendages._--Six on each side (Pl. IX, fig. 4)
- The _Scuta_, consist of yellowish, transparent, horny, lamin
- _Peduncle._--The membrane of the peduncle is thin; the whole
- _Peduncle._--This, as already remarked, cannot be distinctly
- _Generative System._--Within the muscular layer all round th
- The most conspicuous difference is, that the oblique fold se
- _Mouth._--The various parts vary far more than in any genus
- When first dissecting _Scalpellum vulgare_, I was surprised
- This little Cirripede is, in many respects, in a partially e
- _Scuta_, elongated, nearly three times as long as broad; ape
- _Peduncle and Attachment._--The peduncle is short, not equal
- The peduncle is narrow and short, but in a different degree
- With respect to the positions of the parasitic males, in rel
- _Cirri_, short and rather thick; the first pair is not far r
- _Variation._--In some specimens in the British Museum, colle
- _Mandibles_, with three strong teeth, two unequal-sized smal
- _Muscles of the Peduncle._--These consist of the usual inter
- _Cirri._--The three posterior pair are elongated, with their
- _Latera_, unusually large; as seen on their interior surface
- The specimens, to which these names have been given by the a
- Synonyms and doubtful species are printed in italics.