. Economic entomology . 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, w

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. Economic entomology . 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

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