Painting showing a side view of brown fish with red fins; scales individually rendered; blue wash underneath. Pencilled inscription on mat reads, "Apogon cupreus."

Painting showing a side view of brown fish; scales rendered through cross-hatching; blue wash underneath. Pencil inscription on mat reads, "Balistes viridescens."

Painting showing a side view of blue-and-grey whiskered fish with pink accents. Very lightly painted. Pencil inscription on mat reads, "Callichrous chechra."

Painting showing a side view of striated light-coloured angelfish with black-and-yellow fins and tail. Pencil inscription on mat reads, "Chaetodon vagabundus."

Painting showing a side view of red fish with light blue and grey undertones. Pencil inscriptions on mat read, "Chrysophrys hasta" and "Kārkǎṭi" (pencil).

Painting showing side view of fish in grey, teal, and violet, suggesting iridescence. Pencil inscription on mat reads, "Cirrhina."

Painting showing a side view of fish with lavender, dark blue, grey, pale yellow, blue-green, and light rose washes of paint, suggesting iridescence. Inscription beneath the painting reads, "Dolphin," with, "Coryphaena equiselis" beneath that in pencil on the mat.

Painting showing a side view of speckled marsh crocodile in light green, grey, and brown; slight grey shadow underneath. Features additional notes in Gwillim's hand regarding crocodile's size and where it was found: on the drawing in pencil, a small number "51," "10 feet [unclear]," and "A [unclear] aligator taken from the ditch at Vellore." Other pencil inscriptions on the mat read, "Crocodilus palustris" (at side) and "Crocodilus palustris / A aligator taken from the ditch at _ ?" (at bottom). The "10 feet" on the drawing has been re-written underneath.

Painting showing a side view of flying fish in blue and grey; scales sketched individually. Pencilled inscription on mat reads, "Exocoetus."