. Economic entomology. Beneficial insects; Insect pests; Thysanura. GAMASIDS. 167 CASE importance to them as v^e otherwise should have done. One of M. Laboulbene's species (G. halophilus) is imperfect, the palpi being wanting. It looks very like M. Hermann's Trombidium celer, and it may prove a Trombidium when its whole structure is known. In the meantime it has this amount of resemblance with them, that when in life it is said to have been of a fine red colour. Mr. Brady, of Sunderland, has recently added the following quasi-marine species to those above spoken of, which he has described unde
. Economic entomology. Beneficial insects; Insect pests; Thysanura. GAMASIDS. 167 CASE importance to them as v^e otherwise should have done. One of M. Laboulbene's species (G. halophilus) is imperfect, the palpi being wanting. It looks very like M. Hermann's Trombidium celer, and it may prove a Trombidium when its whole structure is known. In the meantime it has this amount of resemblance with them, that when in life it is said to have been of a fine red colour. Mr. Brady, of Sunderland, has recently added the following quasi-marine species to those above spoken of, which he has described under the name of G. marinus. No. 13. i^EJ^'S MARINUS (Gamasus marinus, Brady, Proc. Zool. Soc. Enlarged sketch of ditto, copied from Mr. Brady's figure. Found pretty commonly in crevices of magnesian limestone rocks, between tide marks near Sunderland; Mr. Brady has also a specimen that was washed from among the roots of algae dredged off Cumbrae in the Frith of Clyde. It is very like, but distinct from, one of die species described by M. Laboul- bene, and both it and they are obviously a parallel case to the species of ^^pus, Trechus, Bembidium, and other beetles that have been found in similar places. [875). Sejufi marinus. (Copied from Mr. rady's figure.) Very minute. Sejus AURIS (Gamasus auris, Leidy, Pr. Ac. Phil., 1872). Professor Leidy describes a species under this name from the ear of an ox. He gives a figure of the claw to prove that it is a Gamasus, but no figure of the insect itself. A copy of his figure of the claw will be found on page 157. Genus Halarachne {Allm.). Nos. Halarachne halich^ri {Alltn., Ann. Nat. Hist, 1847).—14. Enlarged '^^' ^^' figure of larva of ditto; 15. Enlarged figure of perfect insect. This is another claimant to the title of ocean mite, whose claim. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectl
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