The paper analyzes Ch. 24 of the 11th book of Aelian’s De natura animalium devoted to the so-called sea-leopard (πάρδαλις) and the oxyrrhynchus fish, both living in the Red Sea. Aelian compares the body colour of the sea-leopard to the mountain leopard, i. e. the snow leopard or the ounce (Panthera uncia Schreber, 1775). This comparison clearly demonstrates that the sealeopard is to be identified with the sand tiger shark or the spotted ragged-tooth shark (Carcharias taurus Rafinesque, 1810). This fish usually resides and hunts in the depths of the sea, but also swims to the coast and sometimes attacks the swimming people. The attacks of sand tiger sharks must have taken place in ancient times, so the fish was easily recognizable not only by the Greeks but also by the inhabitants of the Red Sea’s seashore. The Greek ichthyonym ὀξύ(ρ)ρυγχος refers to five different species of fish, but Aelian uses it to denote an oriental kind of shark existing in the Red Sea (NA 11, 24). The oxyrrhynchus shark has an elongated mouth, golden eyes and white eyelids, i. e. nictitating membranes, typical of sharks belonging to the order Carcharhiniformes. Its tail is oblong in shape and its fins are black and white. There are also pale and green parts of its body. On the basis of Aelian’s description it is possible to suggest that the unknown fish should be identified with the bignose shark (Carcharhinus altimus S. Springer, 1950).
The goal of the article is to review Dariusz R. Piwowarczyk’s recent works (2016; 2017; 2017 [bis]; 2019) on the origin of the Latin fifth declension, as well as to demonstrate the correctness of the dual explanation (Witczak 2015) not discussed or even mentioned by Piwowarczyk. The author is convinced that Latin, like other Indo-European languages, once had a separate dual number which disappeared in the pre-literary period. The loss of the dual number disturbed the declension system existing at the time and caused the need for the creation of a new declension class (the fifth declension). The laryngeal phoneme *h1 formed the basic dual ending in the Indo-European languages. Proto-Indo-European animate nouns of consonant stems created a strong form in the dual number, demonstrating the ending *-eh1 (hence IE. *-ē and Latin *-ē-), whereas inanimate nouns had a weak form (PIE. *-ih1, hence Lat. -ī in vīgintī ‘twenty’ and the oblique stem *-iē-, attested in Lat. aciēs, māteriēs etc.). Proto-Latin dual forms ending in *-ē (< PIE. *-eh1) referring to animate nouns, as well as dual forms ending in *-ī (< PIE. *-ih1) referring to inanimate nouns, underwent the process of collectivization and singularization: most of them gained the status of typical singularia tantum and then formed a separate class of nouns which had -ē- as the common feature. It is finally suggested that a large group of originally dual nouns (especially the so- called dualia tantum) formed the Latin fifth declension