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Show 1881.] THE SURVEY OF H.M.S. 'ALERT.' 87 description says " escudo visible"), I cannot believe it to be identical. The neuration is the same; but the head is not visible from above, being entirely concealed by the conical and prominent anterior margin of the pronotum. 3. METHILLE CUNEATA, sp. n. Fulvous, upper surface of the body with a central longitudinal carina ; the head orange ; head, pronotum, mesonotum, and scutellum finely granulose; tegmina semitransparent, horn-yellow, darkest towards the base and on the veins, the corium and clavus coarsely punctured ; wings hyaline white, legs horn-yellow. Length of body 5| millims., expanse of tegmina 11|. " Found on leaf of Campidium chilense, a leguminous creeping plant, 14th April, 1879. Straits of Magellan." The genus Melizoderes is not quoted by Walker in the Supplement to his ' Catalogue of Homoptera.' IASSID^E. 4. IASSUS L U C I D U S ? Iassus lucidus, Butler, Proc. Zool. Soc. 1877, p- 91. no. 8. Caught on board at sea, 27th October, 1878. I can discover no difference between this example and that from the Galapagos archipelago. IX. ECHINODERMATA. By F. JEFFREY BELL. (Plates VIII. & IX.) The collection of Echinodermata which Dr. Coppinger has forwarded presents some points of considerable interest. Of the Echi-noidea there is one species which is apparently new to science; the species Echinus magellanicus was found on the eastern side of the coast of South America; the Ophiurida are represented by four species, of which two, one of them an Astrophytid, appear to be new to science; while the new species of Asterida seem to make it necessary to direct attention to the fact that, if the number of new species of Echinodermata appears to be disproportionately large as compared with the Mollusca or Crustacea, it must be borne in mind that Dr. Cunningham's account of his collection, made in 1869, terminates with the latter of these groups, and that therefore our knowledge of the Echinoderm fauna of this region is in a less advanced condition. The Holothuroida are feebly represented in the present collection; and no specimen of the Crinoida has been as yet forwarded to the Museum. ECHINOIDEA. ECHINOCIDARIS DUFRESNII, Bl. A number of these interesting forms were forwarded by Dr. Coppinger. As was natural, I examined them with eagerness in order |