THE ORGAN OF VERRILL IN LOLIGO. 
99 
EXPLANATION OF PLATE XI, 
Illustrating Mr. Malcolm Laurie’s Paper on the “ Organ of 
Verrill in Loligo.” 
List of Reference Letters. 
s. Sipliou. m. Mediodorsal cushion of Verrill’s organ, n. n'. Lateral 
cushions, i. Central papilla, i' . Lateral papillae, p. Mantle, v. c. s. Superior 
vena cava. v. Yalve. 
Fig. 1. — Siphon of Desmoteuthis tenera. Natural size. After Verrill. 
Fig. 2. — Organ of Verrill in young Loligo. Dorsal cushion. 
Fig. 2 a . — Ventral wall of Siphon, showing paired cushions. 
Fig. 3. — Transverse section of young Loligo. x - f - . 
Fig. 4. — Transverse section of young Loligo further down than Fig. 3. 
X 
Fig. 5. — Longitudinal sagittal section of young Loligo to one side of the 
middle line. X -2^-. 
Fig. G. — Longitudinal sagittal section of youug Loligo in middle line, 
x 
Fig. 7. — Section of part of the organ of Verrill in a youug Loligo. f X 
n. Nuclei, mu. Mucus in the goblet cells, mu'. Mucus on surface of organ. 
