300 Puget Sound Marine Sta. Pub. Vol. 1, No. 26 



PLATE 69 



Fig. 5. Abdominal region of Lopholithodes mandtii, male, showing 

 parts of reproductive organs. X 0.75. 



Fig. 6. Portion of vas deferens of Lopholithodes mandtii, showing 

 structure. The inner, convoluted, membranous secretions (f) are sur- 

 rounded by an investing tube (j) which is the wall of the vas deferens 

 proper. X 10- 



Fig. 7. Abdominal region of Haplogaster mortensii, male, showing 

 parts of reproductive organs. X 1'75. 



Fig. 8. Abdominal region of Petrolisthes eriomerus, male, showing 

 parts of reproductive organs. X 3.5. 



