PLATE 1. 



Fig. 1. Two individuals of Strophomenia agassizi in the act of copulation; the posterior ends in 

 contact near left side of figure. X 6. 



Fig. 2. Hypodermis and papillae in head region. X 135. 



Fig. 3. Spicules from middle of body. X 100. 



Fig. 4. Reconstruction of anterior end of body. 



Fig. 5. Reconstruction of posterior end of body. 



Fig. 6. Section across outlet of anterior pedal gland of Neomenia verrilli. 



