MACY: CLASSIFYING LONG-FINNED SQUID INTO SEXUAL MATURITY STAGES 



b. 



[ 1 cm 



combination. S = stomach; C = caecum; NG = nidamental glands; T = testis; AG = accessory glands; OG = oviducal gland; 

 = ovary; N= Needham's sac/spermatophoric organ complex; SP =spermatophores; E =egg mass (mature); OV =oviduct; 

 P = penis. Digestive tracts are not shown in stages 3 and 4 (Fig. 3b). 



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