Photos of Gomez coat of arms and other Gomez items

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The costs of bearing arms and armour in the hermit crab Pagurus bernhardus

Hermit crabs use empty gastropod shells as protective armour and enlarged chelipeds as signals and weapons. However, carrying armour and arms may impose energy costs that result in increased lactate and hence potential fatigue and there may be consequent effects on general activity. We investigated whether variation in shell and cheliped size influences lactate levels in hermit crabs. Lactate was positively related to residual cheliped size for both sexes and was higher in males than females; when we controlled for body size, the former had larger chelipeds. Shell weight unexpectedly had no effect on lactate but crabs in small shells had high lactate, possibly because of reduced ability to maintain a respiratory current. The size of natural shells had no effect on activity but the addition of food odour increased locomotion. However, activity was not related to lactate. We conclude that possession of larger chelipeds than expected for body size imposes significant costs and may limit development of sexual dimorphism. (C) 2010 The Association for the Study of Animal Behaviour. Published by Elsevier Ltd. All rights reserved.

Letter from the Secretary of War, transmitting a return of the arms and military stores furnished to the respective states, under the provisions of the law of one thousand eight hundred and twelve.

At head of title: [107].

The Bombardier, and Pocket Gunner, 7th Edition- 1813

A practical military manual for officers in the Royal Regiment of Artillery. It combines training and field service manuals with lists of equipment, weights, dimensions, and equipment accuracy and performance.

Letter from the Secretary of War, transmitting a return of the arms and military stores furnished to the respective states, under the provisions of the law of one thousand eight hundred and twelve

At head of title: [107]. 15th Congress, 1st session, 1817-1818. House. February 20, 1818. Read, and ordered to lie upon the table.