10.06.26: Comenius (1658) XXXV; Sea-fish and Shell-fish … and fish that ‘flie’ (4) from the authors; Pliny the Elder’s Natural History [3]

[iv]  Aquātilium tegumenta plūra sunt. alia coriō et pilō integuntur ut … hippopotamī, alia coriō tantum ut delphīnī, cortice ut testūdinēs, silicum dūritiā ut ostreae et conchae, crustīs ut locustae, crustīs et spīnīs ut echīnī, squāmīs ut piscēs, asperā cute ut squātina, … mollī ut mūrēnae, alia nūllā ut polypī.

Aquātilium tegumenta plūra sunt. │ The coverings of aquatic animals are of many kinds.

aquātilis, -e: living / growing in water > adjective used as noun: aquātilia i.e. things living in the water = aquatic animals 

alia coriō et pilō integuntur ut … hippopotamī │ Some are covered with skin and hair, like … hippopotamuses; note: this is unlikely to have been stated based upon his own observation but from earlier accounts i.e. Egyptian, or Greek e.g. Herodotus or Aristotle; a hippo does have short, coarse bristles scattered sparsely over the body, especially around the mouth, tail, and ears, but it isn’t a distinctive feature

corium, -ī [2/n]: (here) skin

pilus, -ī [2/m]: hair

alia coriō tantum ut delphīnī, │ others with skin only, like dolphins;

cortice ut testūdinēs │ with shell, like turtles,

cortex, corticis [3 m/f]: [i] bark (of a tree); [ii] shell

testūdō, -tūdinis [3/f]: tortoise; turtle

silicum dūritiā ut ostreae et conchae, │ with hardness of flint, like oysters and mussels;

silex, silicis [3 m/f]: stone; pebble; flint

crustīs ut locustae, │ with crusts, like lobsters;

crusta, -ae [1/f]: hard surface of a body e.g. shell, rind, bark; Engl. deriv. crustacean

crustīs et spīnīs ut echīnī, │ with crusts and spines, like sea urchins;

echīnus, -ī [2/m]: sea urchin

squāmīs ut piscēs, │ with scales, like fish;

squāma, -ae [1/f]: scale (of a fish)

asperā cute ut squātina, │ with rough skin, like the skate

cutis, -is [3/f]: (living) skin; hide; leather

mollī ut mūrēnae, │ with soft skin like moray eels,

alia nūllā ut polypī. │ and some with none at all, like octopuses.

Image: alia coriō et pilō integuntur … │ Some are covered with skin and (with) hair; note the use of the ablative case to describe what each is covered with …