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The small standing waters, formed by single cavities, are proportionably rich in water-beetles, among which is found a Dyticus of the form of the sulcatus, seven Colymbetes, Hydroporus two species, and a Gyrinus.

We obtained, at the same time, large pieces of Labularia digitata, Sertularia abietina, upon which nothing of the animal kind was to be seen, but attached to which was frequently found Flustra dentata; also Pagurus Bernhardus, Fusus antiquus, Rostellaria pes pelecani, Cardium echinatum, Ascidia Prunum, Balanus sulcatus, Echinus saxatilis, and Spatangus flavescens.

Acclimatisation, difference of, in different races of men. Achetidae, stridulation of the; rudimentary stridulating organs in female. Acilius sulcatus, elytra of the female. Acomus, development of spurs in the female of. Acridiidae, stridulation of the; rudimentary stridulating organs in female. Acromio-basilar muscle, and quadrupedal gait. Acting. Actiniae, bright colours of.

Kirby and Spence mention the small beetle Onthophilus sulcatus as being like the seed of an umbelliferous plant; and another small weevil, which is much persecuted by predatory beetles of the genus Harpalus, is of the exact colour of loamy soil, and was found to be particularly abundant in loam pits. Mr.