110 Henry Woodward — On British Fossil Arthropoda. 



specimens are figured from tlie collection of the Rev. F. W. Hope/ 

 now preserved in the Oxford Museum. 



Among others is a specimen "from Coalbrook Dale, which has 

 very much the appearance of some large Caterpillar, furnished with 

 rows of tubercles, to which setse or bristles were attached, as in the 

 case of the caterpillar of our common English Emperor Moth 

 (Saturnia Pavonia minor) : unfortunately the specimen is imperfect 

 at each end, and therefore it is impossible to judge of the append- 

 ages of the head or tail. It will be seen that there appear to be 

 distensions of the membrane connecting several of the segments of 

 the body together, as between the first and second, second and third, 

 fourth and fifth (on the right hand side), and seventh and eighth 



(see the accompanying Woodcut, 

 Fig. 10). Now this could not, I 

 think, occur to so visible an extent 

 in a Lepidopterous larva, because 

 it seems to intimate that the broader 

 parts of the body (or the true 

 segments) are of a firmer texture 

 than the connecting distendable 

 membrane. The lateral series of 

 long, slender and evidently articu- 

 lated appendages seem also to throw 

 a doubt on the Insect being a 

 Lepidopterous larva. These appen- 

 dages have some I'emote analogy 

 to those of a portion of the seg- 

 ments of Squilla, but this is only in 

 appearance, and not a real relation- 

 ship. The dark line which runs 

 down the back seems quite analo- 

 gous to the great dorsal vessel or 

 heart of the Caterpillars." (Intro- 

 ductory Observations by J. 0. West- 

 wood, M.A., F.L.S., in Brodie's 

 "Fossil Insects," p. 18.) 

 Among the numerous interesting remains of Arthropoda from' the 

 Coal-measures of Illinois, figured and described by Messrs. F. B. 

 Meek and A. H. Worthen, in the " Palaeontology of Illinois," pub- 

 lished in vol. iii. of the publications of the Geological Survey of 

 Illinois (1868), is a specimen which there can be little doubt is 

 identical with that figured and described by Mr. Salter as Eiirypterus 

 ferox, and by Mr. Westwood as the " larva of some unknown 

 insect." (See the accompanying Woodcut, Fig. 11.) 



Messrs. Meek and Worthen provisionally refer their specimen to 

 the Myriopoda and to their genus Euphoheria, under the name of 

 JEuphoberia ? major, M. and W. 



A smaller species of Euphoheria, also armed with forked spines, 



^ The Founder of the Hope Professorship of Zoology in the University of Oxford, 

 so ably filled by Prof. J. 0. Westwood, M.A., F.L.S., the eminent Entomologist and 

 Carcinologist. 



Fig. 10. — Arthropleura ferox, Salter. 

 Specimen figured by the Eev. P. B. 

 Brodie, preserved in the Hope Col- 

 lection, Oxford, from the Coal-mea- 

 sures, Coalbrookdale. [Copied from 

 plate i. fig. 11, of Brodie's ' Fossil 

 Insects.'] 



