FISHERY BULLETIN: VOL. 85, NO. 3 



Figure 4. — Scanning electron micrograph of testis and vas deferens from male Geryon fenneri. 



A. Testis; Maturing germ cells (spermatids, ST) surrounded by sustentacular tissue. De- 

 veloping sperm (D-S), cytoplasmic spike (SP); x 3200. Scale bar 3 |xm. 



B. Testis: A developing sperm (D-S) possessing partial to fully formed cytoplasmic spikes 

 (SP); X 3200. Scale bar 3 jim. 



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