EEPOET ON THE AMPHIPODA. 9 



infers that its parasite must be that which he has named Ci/amus mystiueti, rejecting the 

 name Cyamus eeti, as having been apjilied confusedly to several species. Though Martens 

 drawing of this species, Plate Q, fig, d, is a very odd one, the description is vouched for by 

 Liitken as being in many points correct, and in any case such as should have prevented later 

 writers from confusing the species with the Pycnogonidae. 



1705. Ray, John, born 1628, died 1704 (1705 or 1707). " His proper name is Wray," 

 H. A. Hagen, Bibl. Entom. 



Methodus Insectorum sou Insecta in Methodum aliqualem digesta : a Joanne 

 Eaio. Londini, cloloccv. 



" Insecta," he says, " sunt vel d/iera/iopc^cuTa, hoc est, quie nuUam subeunt formse mutationem ; 

 vel /ufTa/iopc^S/xeva, hoc est, quae formam mutant. 



" Insecta d/ierajaopc^wTa sunt vel "A^oSa seu Pedibvs destituta, vel Pedata. Ex his nonnulla 

 jjellem ahquoties mutant." 



Under " Insecta dixcTaix6p(j>u]Ta Pedata," he says : — ' 



" Hsec pro numero pedum dividi possunt in 1. Hexapoda, 2. Octapoda, 3. Tea-a-apea-KaiSeKoiwoSa, 

 4. noXvVoSa." 



The third group he thus describes : — 



"3. Tia-a-apea-KaiSiKOLTToSa, seu 14 pedibus donata, Aselli, quorum tres sjiecies novimus, 

 1. Maritimus est, in rupibus degens, reliquis major et longior. 2. Livid.us, qui in globidum 

 se convolvifc, Angl. 85loob-Uc£ anb ^ofes anb (Hbtss-^ugs. 3. Asininus, caudS bifurca, 

 miuiis gibbus quam Lividus, nee in globum se colligens. His addenda, 1. Asellus marinus 

 figurse brevioris, in globulum se convolvens. 2. Asellus aqiiarum dulcium, binas habens in 

 Cauda setas, crura longiora. 3. Pulex aquaticun, squillae nonnihU simOis, saltatrix, tum in 

 aquis salsis, tum in dulcibus degens. 4. Pediculus aqvaticus, piscibus infestus, quibus 

 adhffirescit. Hujus datur species caudata, duabus sc. in cauda productioribus setis." 



The IloXvVoSa contain Terrestria, Julus and Scolopendra ; Aquatica, the Cornish JJugs, with 38 

 feet, Scolopendra marina, and Animalculum hicorpor seu bicaudatum. 



The account of the afi.€TafjL6p<j>wTa he concludes with the words, " Hanc Methodum Insectorum 

 intransmutabilium D. Francisco Willughby debemus." This explains the initials F. W. in 

 the following notice. 



1710. Ray, John. 



Historia Insectorum. Opus posthumum, jussu Regise Societatis Londinensis 

 editum. Londini, m.dcc.x. 



On pages 43, 44, the following notices are given : — 



"Pulex marinus cornutus. F. W. Ad Asellos referendus. Numerus annulorum ex quibus 

 corpus componitur 12. Pedum utrinque 7, ex quibus ultimi cseteris longiores, ante caput 

 duo longa ingentia cornua. Corpus |tam uncias aequat. Ad radicem cornuum majorum 

 duo aha minora sunt. Pinnulas natatorias habet. Coloris est subalbidi, figurae tenuis et 

 angustee. 



" Pulex marinus Bellonii de Ambus, Mouffeti et Gesncri, an Squillx minimis, fluviatiles 1 F. W. 

 Asellis similis est, sed gracUior et rotundior, pedesque mult6 longiores habet. Color in 

 dorso spadiceus. Oculi nigri : Antennae articulatse, ab eodem puncto prodeuntes, quos 



(ZOOL. CHALL. EXP. — PART LXVII. — 1887.) XxX 2 



