78 W. Baldwin — Fossil My riopods from the Goal-measures. 



The segments are divided into two parts, the anterior two-thirds 

 being slightly arched and spiniferous, whilst the posterior third is 

 strongly arched and rises to an equal elevation with the former ; 

 the dividing furrow is deep. The surface is smooth, but presents 

 minute pittings. The position of the lateral spines is indicated by 

 small tubercles - 5 mm. diameter, situated at about 2*75 mm. from the 

 edges of the segments. The sub-dorsal rows are only indicated by 

 a few pits, and appear at about 5 mm. distant from the lateral rows. 

 The telson (?) is very badly preserved, but appears to be rounded. 



On some of the segments the outer covering has decayed in such 

 a manner as to expose portions of the interior of the ventral plates, 

 revealing large oblong ovate spiracles that run transversely to the 

 body and show as a deep groove with a thin laminate ridge along the 

 middle ; they are 1*5 mm. long and 0'4 mm. broad. 



This species for size somewhat resembles E. hystricosa (Scudder), 

 but is at once distinguishable by the shape of the dorsal segments. 

 The stout and massive appearance has suggested to me the trivial 

 name. This fossil was also discovered by Mr. Parker, who is presenting 

 it to the Manchester Museum. 



4. EuphobeRia "Woodwardi, Baldwin, sp. nov. (PI. IV, Fig. 2.) 



For the fourth example (PI. IV, Fig. 2), which was found in the same 

 measures, I am indebted to Mr. F. Howard, of Rochdale, who has very 

 kindly placed the specimen from his collection at my disposal for 

 purposes of examination and description. The Myriopod is exposed 

 dorsally and measures about 12-4 cm. as it lies in the stone, and is 

 represented by ahead and thirty-eight segments measuring 7 - 5 mm. 

 just behind the head. 



The head, which is bent under, is broad, quadrate, with large 

 oblique, many-celled eyes. The eye forms an oval boss 3 mm. long 

 and 1-75 mm. broad, situated towards the anterior portion of the head, 

 its longer axis vertical ; it is covered with nearly hemispherical, circular 

 cells, 0-5 mm. in diameter, crowded closely together, but not attingent, 

 showing a slight indication of serial arrangement. Lying between 

 the eyes is a well-marked circular depression 1*5 mm. in diameter, 

 surrounded by an arched furrow that extends diagonally towards the 

 anterior of the head, forming a four-sided plate that is very suggestive 

 of Fritsch's Acantherpcstes yigas. No antennae are visible. 



The seven segments succeeding the head gradually increase in 

 breadth from 9 to 125 mm. and are of equal length (3-5 mm.). 

 The remaining segments have a uniform breadth of 13 mm. and 

 each measures 3'5mm. long. Each segment is divided by means of 

 a transverse furrow into two portions, a shorter anterior which is 

 arched and a longer posterior which is flat, in the proportion of about 

 1:2. The posterior portion is spiniferous, the spines being indicated 

 by blunt tubercles, forming two rows along each side of the body about 

 3 mm. apart. The spines appear (I have only been able to trace one 

 and a few fragments detached) to be about 3 mm. long, consisting 

 of a main stem that bifurcates at about two-thirds from the base, 

 throwing off a branch about 1 mm. long at an obtuse angle. Both 

 the main branch and the stem are slender. 



