. Zoological Society bulletin . inct persists, and, ifthe crab happens to touch witli its claws a pieceof paper or alga, it is often seen to disguise it-self, executing the whole series of movementswithout omitting any, and in the same order aswhen in the normal condition. This instinct for decoration parallels in a veryinteresting manner the color protection observedin certain fishes (see, for example, the interest-ing experiments described by Dr. F. B. Sum-mer in the Bulletin for November, 1910,though the means as well as the mechanism in-volved are totally different. The spider crabs are sc
. Zoological Society bulletin . inct persists, and, ifthe crab happens to touch witli its claws a pieceof paper or alga, it is often seen to disguise it-self, executing the whole series of movementswithout omitting any, and in the same order aswhen in the normal condition. This instinct for decoration parallels in a veryinteresting manner the color protection observedin certain fishes (see, for example, the interest-ing experiments described by Dr. F. B. Sum-mer in the Bulletin for November, 1910,though the means as well as the mechanism in-volved are totally different. The spider crabs are scavengers and are notused for food, though they may be used as are frequently taken in lobster-pots wherethey make themselves a nuisance to the lobsterfishermen by devouring the bait. The writerrecalls seeing more than a hundred Libiniastaken from two lobster-pots set overnight inBuzzards Bay by Mr. Vinal Edwards, the vet-eran collector of the Woods Hole FisheriesStation. It. C. Osburn. ZOOLOGICAL SOCIETY BULLETIN. 805. SEINING KENSICO by L. M. Petry. THE LOCUST LOBSTER. PERHAPS the most interesting member ofthe Crustacea to be shown at the Aquar-ium is the Locust Lobster (Scyllaridesaequi?ioctialis), also known as Spanish Lob-ster, Sea Roach and Mother Lobster. This pe-culiar form occurs in Bermuda and Florida andthroughout the West Indies. It reaches a largesize, the female sometimes attaining a length ofthree feet. The meat is edible and is said to besuperior even to that of the common lobster. Like the spiny lobster it has no large pincersand so is unable to defend itself, relying on itshard shell and secretive habits for is taken in traps and is also speared in itslurking places about the reefs. The Aquarium had madearrangements with the gamewarden to secure some ofthe fish for exhibition pur-poses, but was able to ob-tain only a few yellow perchand black bass. The largestbass taken measured nine-t e e n inches in length andwas estima
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