562 



SCHARFF — On the S/tu/s of Ireland. 



LETTERING ADOPTED IN ALL THE FIGURES. 



hcniiaphrodite gland, 

 hermaphrodite duct, 

 albuniiniparous gland, 

 ovisperm-duct. 

 oviduct, 

 sperm-duct, 

 recpptaculum seminis. 



EXPLANATION OF PLATE LVII. 



Fig. 



25. Umax ma.rhmts, L. (reproductive organs), very dark form, from Killakee, Co. Dublin, October, 



1890. 



26. ,, jiarus, L. (reproductive organs), from Eabeny, Co. Dublin, October, 1890. 



27. ,, miriiimitu.i, Miiller (reproductive organs), from Co. Wexford, August, 1890. 



28. A(jnolimiix ajrestis, L. (reproductive organs), magnified, from Aran Islands, October, 1890. 



29. ,, laevis, Miiller (reproductive organs), magnified, from Killakee, Co. Dublin, Septem- 



ber, 1890. 



30. Amaliii carinata. Leach (reproductive organs), magnified, from Aran Islands, October, 1800. 



31. ,, gagates, Drap. (reproductive organs), from Eabeny, Co. Dublin, September, 1890. 



32. Ariun (iter, L. (reproductive organs), black vai-iety, from Eabeny, Co. Dublin, August, 1890. 

 83. ,, siihfusciis, Drap. (reproductive organs), magnified, from Eabeny, Co. Dublin, September, 



1890. 

 34. ,, hortcnsis, Fur. (reproductive organs), magnified, from Leeson Park, Dublin, October. 

 1890. 



85. ,, iouryuignati, Mabille (reproductive organs), magnified, from Leeson Park, Dublin, 



July, 1890. 



86. ,, intermedins, Normand (reproductive organs), magnified, from Eabeny, Co. Dublin, 



September, 1890. 

 37. Geomalacus maculosns, Allman (reproductive organs), from Co. Kerry, May, 1890. 



