152 



PROFESSOR E. RAY LANKESTEE. 



that occupied by the coxal gland of Scorpions — namely, in that 

 region where the coxae of the prosoraatic limbs join the sternal 



Fig. 2. — Diagram of the anterior portion of a Scorpion's body to show the 

 position of tiie coxal glands. A. Anterior glandular C£8ca of the ali- 

 mentary canal (salivary glands of Newport and Blanchard, not of Dufour). 

 These are drawn of smaller size than natural, and are turned forward so 

 as to expose the coxal glands. B. The coxal gland of the left side. 

 C. Fibrous septum (diaphragm of Newport) formed by the posterior 

 flaps of the entosternite. D. Glandular caeca of the alimentary canal 

 (so-called " liver "). E. Axial portion of the alimentary canal. 1 to 6. 

 The six pairs of limbs of the prosoma. 



wall of the prosoma. Instead, however, of presenting us with 

 a single oval gland in relation to the coxa of the sixth proso- 

 raatic limb, Limulus shows four lobes appropriate to the 

 second, third, fourth, and fifth limbs of the prosoma respec- 

 tively. 



I mentioned in the paper quoted that I had found a similarly 

 situated coxal gland on each side of the entosternite in a large 

 South American My gale, and that in this genus the gland 

 presented lobes corresponding to the coxae of the prosomatic 



