FOUR FAMILIES.

Fam.

1. _Dorsaliæ._ Two genera.

1. Arenicola. Species 1

2. Siliquaria. “ 4

2. _Maldaniæ._ Two genera.

1. Clymene. Species 1

2. Dentalium. “ 12

3. _Amphitritæa._ Four genera.

1. Pectinaria. Species 2

2. Sabellaria. “ 2

3. Terebella. “ 3

4. Amphitrite. “ 6

4. _Serpulacea._ Five genera.

1. Spirorbis. Species 5

2. Serpula. “ 26

3. Vermilia. “ 8

4. Galeolaria. “ 2

5. Magilus. “ 1

CLASS II.

CIRRHIPEDES.

A Manual of Conchology According to the System Laid Down by Lamarck, with the Late Improvements by De Blainville. Exemplified and Arranged for the Use of Students. · 第 9 / 258 题